22545604 has 12 divisors (see below), whose sum is σ = 41775804. Its totient is φ = 10609664.

The previous prime is 22545583. The next prime is 22545623. The reversal of 22545604 is 40654522.

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 8468100 = 3752^2 + 2910^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165709 + ... + 165844.

It is an arithmetic number, because the mean of its divisors is an integer number (3481317).

Almost surely, 2^22545604 is an apocalyptic number.

It is an amenable number.

22545604 is a deficient number, since it is larger than the sum of its proper divisors (19230200).

22545604 is a wasteful number, since it uses less digits than its factorization.

22545604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331574 (or 331572 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 22545604 is about 4748.2211405957. The cubic root of 22545604 is about 282.5014133116.

The spelling of 22545604 in words is "twenty-two million, five hundred forty-five thousand, six hundred four".