22785994 has 24 divisors (see below), whose sum is σ = 42938784. Its totient is φ = 8877000.

The previous prime is 22785989. The next prime is 22786007. The reversal of 22785994 is 49958722.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5032 + ... + 8419.

It is an arithmetic number, because the mean of its divisors is an integer number (1789116).

Almost surely, 2^22785994 is an apocalyptic number.

22785994 is a deficient number, since it is larger than the sum of its proper divisors (20152790).

22785994 is a wasteful number, since it uses less digits than its factorization.

22785994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13482 (or 13471 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 22785994 is about 4773.4677122612. The cubic root of 22785994 is about 283.5019124424.

The spelling of 22785994 in words is "twenty-two million, seven hundred eighty-five thousand, nine hundred ninety-four".