Step 1: Divide the number into separate digits:
16228 => 1 6 2 2 8
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
1 to 6 = 5
6 to 2 = 4
2 to 2 = 0
2 to 8 = 6
8 to 1 = 7
Step 3: Combine the filters to a string:
5 4 0 6 7 = 54067