22528036 has 12 divisors (see below), whose sum is σ = 39867660. Its totient is φ = 11137280.

The previous prime is 22528031. The next prime is 22528039. The reversal of 22528036 is 63082522.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 18748900 = 1944^2 + 4330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22527995 and 22528013.

It is not an unprimeable number, because it can be changed into a prime (22528031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31285 + ... + 31996.

It is an arithmetic number, because the mean of its divisors is an integer number (3322305).

Almost surely, 2^22528036 is an apocalyptic number.

It is an amenable number.

22528036 is a deficient number, since it is larger than the sum of its proper divisors (17339624).

22528036 is a wasteful number, since it uses less digits than its factorization.

22528036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63374 (or 63372 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22528036 is about 4746.3708241139. The cubic root of 22528036 is about 282.4280172670.

The spelling of 22528036 in words is "twenty-two million, five hundred twenty-eight thousand, thirty-six".