22785604 has 12 divisors (see below), whose sum is σ = 40436928. Its totient is φ = 11232200.

The previous prime is 22785577. The next prime is 22785613. The reversal of 22785604 is 40658722.

It is a self number, because there is not a number n which added to its sum of digits gives 22785604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39832 + ... + 40399.

It is an arithmetic number, because the mean of its divisors is an integer number (3369744).

Almost surely, 2^22785604 is an apocalyptic number.

It is an amenable number.

22785604 is a deficient number, since it is larger than the sum of its proper divisors (17651324).

22785604 is a wasteful number, since it uses less digits than its factorization.

22785604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80306 (or 80304 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22785604 is about 4773.4268612811. The cubic root of 22785604 is about 283.5002949813.

The spelling of 22785604 in words is "twenty-two million, seven hundred eighty-five thousand, six hundred four".