22888656 has 180 divisors, whose sum is σ = 78626912. Its totient is φ = 6314112.

The previous prime is 22888643. The next prime is 22888687. The reversal of 22888656 is 65688822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 789250 + ... + 789278.

Almost surely, 2^22888656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22888656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39313456).

22888656 is an abundant number, since it is smaller than the sum of its proper divisors (55738256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22888656 is an equidigital number, since it uses as much as digits as its factorization.

22888656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 41 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 22888656 is about 4784.2090255339. The cubic root of 22888656 is about 283.9270459970.

The spelling of 22888656 in words is "twenty-two million, eight hundred eighty-eight thousand, six hundred fifty-six".