22974905 has 16 divisors (see below), whose sum is σ = 29529360. Its totient is φ = 17098752.

The previous prime is 22974901. The next prime is 22974947. The reversal of 22974905 is 50947922.

It can be written as a sum of positive squares in 8 ways, for example, as 241081 + 22733824 = 491^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 22974905 - 2² = 22974901 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22974901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585).

Almost surely, 2^22974905 is an apocalyptic number.

It is an amenable number.

22974905 is a deficient number, since it is larger than the sum of its proper divisors (6554455).

22974905 is a wasteful number, since it uses less digits than its factorization.

22974905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 22974905 is about 4793.2144746506. The cubic root of 22974905 is about 284.2832301396.

The spelling of 22974905 in words is "twenty-two million, nine hundred seventy-four thousand, nine hundred five".