22804905 has 16 divisors (see below), whose sum is σ = 38634624. Its totient is φ = 11447040.

The previous prime is 22804879. The next prime is 22804919. The reversal of 22804905 is 50940822.

It is not a de Polignac number, because 22804905 - 2⁹ = 22804393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44461 + ... + 44970.

It is an arithmetic number, because the mean of its divisors is an integer number (2414664).

Almost surely, 2^22804905 is an apocalyptic number.

It is an amenable number.

22804905 is a deficient number, since it is larger than the sum of its proper divisors (15829719).

22804905 is a wasteful number, since it uses less digits than its factorization.

22804905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89456.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22804905 is about 4775.4481465094. The cubic root of 22804905 is about 283.5803205815.

The spelling of 22804905 in words is "twenty-two million, eight hundred four thousand, nine hundred five".