22..........two 2s............self similarity.......like chaos theory.........28 - 6 = 22.....................the square root of 8 is 2 times the square root of 2.....................................the 1st perfect number subtracted from the 2nd......................the distance between them..............

Perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128.

Perfect number | mathematics | Britannica.com

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