51214641 divided by 622 
The aim is to understand the frequency of 622 in 51214641.

On to step 1:
The number 622 fits into 5 0 times, leaving a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Bring next digit (1) of the dividend behind the 5 and repeat the process: 51 / 622

On to step 2:
If we divide 51 by 622, we get 0 and a remainder of 51.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 51 after subtracting 0 from 51.
Grab the next digit (2) from the dividend, add it to 51, then carry on: 512 / 622

Step 3:
The number 622 fits into 512 0 times, leaving a remainder of 512.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 512, we end up with 512.
Fetch the next digit (1) from the dividend, attach it to 512 and continue: 5121 / 622

Going ahead to step 4:
The number 622 fits into 5121 8 times, leaving a remainder of 145.
Write down 8 as next digit of the result. 
Result so far: 8.0
The remainder is 145 after subtracting 4976 from 5121.
Grab the next digit (4) from the dividend, add it to 145, then carry on: 1454 / 622

Going ahead to step 5:
622 goes into 1454 2 times with a remainder of 210.
Record the quotient 2 as the next digit in the result. 
Result so far: 82.0
Subtracting 1244 from 1454 leaves us with 210.
Grab the next digit (6) from the dividend, add it to 210, then carry on: 2106 / 622

On to step 6:
If we divide 2106 by 622, we get 3 and a remainder of 240.
Record the quotient 3 as the next digit in the result. 
Result so far: 823.0
If we take 1866 away from 2106, we end up with 240.
Bring next digit (4) of the dividend behind the 240 and repeat the process: 2404 / 622

Step 7:
622 can be fit into 2404 3 times, resulting in a remainder of 538.
Write down 3 as next digit of the result. 
Result so far: 8233.0
Subtracting 1866 from 2404 leaves us with 538.
Append the next digit (1) from the dividend to 538 and continue with: 5381 / 622

Going ahead to step 8:
The number 622 fits into 5381 8 times, leaving a remainder of 405.
Use 8 as the next digit of our solution. 
Result so far: 82338.0
The remainder is 405 after subtracting 4976 from 5381.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

Moving on to step 9:
622 goes into 4050 6 times with a remainder of 318.
Write down 6 as next digit of the result. 
Result so far: 82338.6
The remainder is 318 after subtracting 3732 from 4050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

On to step 10:
When dividing 3180 by 622, we get 5 with a remainder of 70.
The number 5 becomes the next digit in our result. 
Result so far: 82338.65
Subtracting 3110 from 3180 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Going ahead to step 11:
If we divide 700 by 622, we get 1 and a remainder of 78.
Write down 1 as next digit of the result. 
Result so far: 82338.651
Deduct 622 from 700 and we're left with 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Going ahead to step 12:
If we divide 780 by 622, we get 1 and a remainder of 158.
The next digit of our result is 1. 
Result so far: 82338.6511
If we subtract 622 from 780, we get 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

The quotient of the division is 82338.6511, and the remainder is 0.00158.