We look at the division of 21670239 by 722 
The aim is to understand the frequency of 722 in 21670239.

Going ahead to step 1:
722 goes into 2 0 times with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Include the next digit (1) from the dividend after 2, then repeat: 21 / 722

Moving on to step 2:
21 divided by 722 is 0 with a remainder of 21.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 21 leaves us with 21.
Append the next digit (6) from the dividend to 21 and continue with: 216 / 722

Step 3:
The number 722 fits into 216 0 times, leaving a remainder of 216.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 216 to get 216.
Append the next digit (7) from the dividend to 216 and continue with: 2167 / 722

Step 4:
The number 722 fits into 2167 3 times, leaving a remainder of 1.
Write down 3 as next digit of the result. 
Result so far: 3.0
Subtract 2166 from 2167 to get 1.
Grab the next digit (0) from the dividend, add it to 1, then carry on: 10 / 722

Moving on to step 5:
722 can be fit into 10 0 times, resulting in a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 30.0
If we subtract 0 from 10, we get 10.
Take the next digit (2) from the dividend and append it to 10, then repeat: 102 / 722

Let's proceed to step 6:
722 can be fit into 102 0 times, resulting in a remainder of 102.
The next digit of our result is 0. 
Result so far: 300.0
The remainder is 102 after subtracting 0 from 102.
Include the next digit (3) from the dividend after 102, then repeat: 1023 / 722

On to step 7:
When dividing 1023 by 722, we get 1 with a remainder of 301.
Put 1 as the next digit of the answer. 
Result so far: 3001.0
Subtract 722 from 1023 to get 301.
Take the next digit (9) from the dividend and append it to 301, then repeat: 3019 / 722

Moving on to step 8:
722 can be fit into 3019 4 times, resulting in a remainder of 131.
The next digit of our result is 4. 
Result so far: 30014.0
Deduct 2888 from 3019 and we're left with 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

Let's proceed to step 9:
1310 divided by 722 is 1 with a remainder of 588.
The number 1 becomes the next digit in our result. 
Result so far: 30014.1
The remainder is 588 after subtracting 722 from 1310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5880, and continue the process.

Moving on to step 10:
722 can be fit into 5880 8 times, resulting in a remainder of 104.
The number 8 becomes the next digit in our result. 
Result so far: 30014.18
If we subtract 5776 from 5880, we get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Step 11:
When dividing 1040 by 722, we get 1 with a remainder of 318.
Write down 1 as next digit of the result. 
Result so far: 30014.181
Subtract 722 from 1040 to get 318.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

Moving on to step 12:
If we divide 3180 by 722, we get 4 and a remainder of 292.
Record the quotient 4 as the next digit in the result. 
Result so far: 30014.1814
If we subtract 2888 from 3180, we get 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

Going ahead to step 13:
722 can be fit into 2920 4 times, resulting in a remainder of 32.
Put 4 as the next digit of the answer. 
Result so far: 30014.18144
Deduct 2888 from 2920 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The quotient of the division is 30014.18144, and the remainder is 3.2e-05.