22845204 has 36 divisors (see below), whose sum is σ = 58545396. Its totient is φ = 7509888.

The previous prime is 22845203. The next prime is 22845209. The reversal of 22845204 is 40254822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6051600 + 16793604 = 2460^2 + 4098^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22845203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719 + ... + 6974.

It is an arithmetic number, because the mean of its divisors is an integer number (1626261).

Almost surely, 2^22845204 is an apocalyptic number.

It is an amenable number.

22845204 is an abundant number, since it is smaller than the sum of its proper divisors (35700192).

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

22845204 is a wasteful number, since it uses less digits than its factorization.

22845204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 22845204 is about 4779.6656786851. The cubic root of 22845204 is about 283.7472624213.

The spelling of 22845204 in words is "twenty-two million, eight hundred forty-five thousand, two hundred four".