We're dividing 22533606 by 25 
The aim is to understand the frequency of 25 in 22533606.

Step 1:
When dividing 2 by 25, we get 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Grab the next digit (2) from the dividend, add it to 2, then carry on: 22 / 25

Advancing to step 2:
The number 25 fits into 22 0 times, leaving a remainder of 22.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 22 to get 22.
Bring next digit (5) of the dividend behind the 22 and repeat the process: 225 / 25

Step 3:
When dividing 225 by 25, we get 9 with a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 9.0
If we subtract 225 from 225, we get 0.
Grab the next digit (3) from the dividend, add it to 0, then carry on: 3 / 25

Moving on to step 4:
When dividing 3 by 25, we get 0 with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 90.0
The remainder is 3 after subtracting 0 from 3.
Fetch the next digit (3) from the dividend, attach it to 3 and continue: 33 / 25

Moving on to step 5:
The number 25 fits into 33 1 times, leaving a remainder of 8.
Use 1 as the next digit of our solution. 
Result so far: 901.0
Subtracting 25 from 33 leaves us with 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 25

Step 6:
When dividing 86 by 25, we get 3 with a remainder of 11.
Put 3 as the next digit of the answer. 
Result so far: 9013.0
If we take 75 away from 86, we end up with 11.
Fetch the next digit (0) from the dividend, attach it to 11 and continue: 110 / 25

Step 7:
The number 25 fits into 110 4 times, leaving a remainder of 10.
The next digit of our result is 4. 
Result so far: 90134.0
If we subtract 100 from 110, we get 10.
Append the next digit (6) from the dividend to 10 and continue with: 106 / 25

Advancing to step 8:
If we divide 106 by 25, we get 4 and a remainder of 6.
Record the quotient 4 as the next digit in the result. 
Result so far: 901344.0
If we subtract 100 from 106, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 9:
When dividing 60 by 25, we get 2 with a remainder of 10.
Put 2 as the next digit of the answer. 
Result so far: 901344.2
Deduct 50 from 60 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 10:
If we divide 100 by 25, we get 4 and a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 901344.24
If we subtract 100 from 100, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 11:
25 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 901344.24
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 12:
0 divided by 25 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 901344.24
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 901344.24 with a remainder of 0.0.