Step 1: Divide the number into separate digits:
62271 => 6 2 2 7 1
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
6 to 2 = 4
2 to 2 = 0
2 to 7 = 5
7 to 1 = 6
1 to 6 = 5
Step 3: Combine the filters to a string:
4 0 5 6 5 = 40565