22528836 has 36 divisors (see below), whose sum is σ = 62126064. Its totient is φ = 6826800.

The previous prime is 22528829. The next prime is 22528841. The reversal of 22528836 is 63882522.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22528836.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28050 + ... + 28841.

It is an arithmetic number, because the mean of its divisors is an integer number (1725724).

Almost surely, 2^22528836 is an apocalyptic number.

It is an amenable number.

22528836 is an abundant number, since it is smaller than the sum of its proper divisors (39597228).

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

22528836 is a wasteful number, since it uses less digits than its factorization.

22528836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56912 (or 56907 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22528836 is about 4746.4550982812. The cubic root of 22528836 is about 282.4313603567.

The spelling of 22528836 in words is "twenty-two million, five hundred twenty-eight thousand, eight hundred thirty-six".