22656132 has 96 divisors (see below), whose sum is σ = 63190400. Its totient is φ = 6998400.

The previous prime is 22656119. The next prime is 22656143. The reversal of 22656132 is 23165622.

22656132 is a `hidden beast` number, since 2 + 2 + 656 + 1 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22656096 and 22656105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125082 + ... + 125262.

Almost surely, 2^22656132 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 22656132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31595200).

22656132 is an abundant number, since it is smaller than the sum of its proper divisors (40534268).

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

22656132 is a wasteful number, since it uses less digits than its factorization.

22656132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 266 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22656132 is about 4759.8457958215. The cubic root of 22656132 is about 282.9623077404.

The spelling of 22656132 in words is "twenty-two million, six hundred fifty-six thousand, one hundred thirty-two".