Step 1: Divide the number into separate digits:
24293 => 2 4 2 9 3
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
2 to 4 = 2
4 to 2 = 2
2 to 9 = 7
9 to 3 = 6
3 to 2 = 1
Step 3: Combine the filters to a string:
2 2 7 6 1 = 22761