22502604 has 24 divisors (see below), whose sum is σ = 53787888. Its totient is φ = 7317760.

The previous prime is 22502591. The next prime is 22502609. The reversal of 22502604 is 40620522.

It is not an unprimeable number, because it can be changed into a prime (22502609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22377 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (2241162).

Almost surely, 2^22502604 is an apocalyptic number.

It is an amenable number.

22502604 is an abundant number, since it is smaller than the sum of its proper divisors (31285284).

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

22502604 is a wasteful number, since it uses less digits than its factorization.

22502604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45785 (or 45783 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22502604 is about 4743.6909680121. The cubic root of 22502604 is about 282.3216991678.

The spelling of 22502604 in words is "twenty-two million, five hundred two thousand, six hundred four".