22344945 has 32 divisors (see below), whose sum is σ = 41180160. Its totient is φ = 10134720.

The previous prime is 22344941. The next prime is 22344947. The reversal of 22344945 is 54944322.

It is not a de Polignac number, because 22344945 - 2² = 22344941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22344941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13830 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (1286880).

Almost surely, 2^22344945 is an apocalyptic number.

It is an amenable number.

22344945 is a deficient number, since it is larger than the sum of its proper divisors (18835215).

22344945 is a wasteful number, since it uses less digits than its factorization.

22344945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its digits is 34560, while the sum is 33.

The square root of 22344945 is about 4727.0440023338. The cubic root of 22344945 is about 281.6608139644.

The spelling of 22344945 in words is "twenty-two million, three hundred forty-four thousand, nine hundred forty-five".