22786004 has 12 divisors (see below), whose sum is σ = 40271028. Its totient is φ = 11280000.

The previous prime is 22785989. The next prime is 22786007. The reversal of 22786004 is 40068722.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 3880900 = 4348^2 + 1970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22786007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27797 + ... + 28604.

It is an arithmetic number, because the mean of its divisors is an integer number (3355919).

Almost surely, 2^22786004 is an apocalyptic number.

It is an amenable number.

22786004 is a deficient number, since it is larger than the sum of its proper divisors (17485024).

22786004 is a wasteful number, since it uses less digits than its factorization.

22786004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56506 (or 56504 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 22786004 is about 4773.4687597176. The cubic root of 22786004 is about 283.5019539155.

The spelling of 22786004 in words is "twenty-two million, seven hundred eighty-six thousand, four".