22972285 has 16 divisors (see below), whose sum is σ = 32875776. Its totient is φ = 15067008.

The previous prime is 22972283. The next prime is 22972343. The reversal of 22972285 is 58227922.

It is a cyclic number.

It is not a de Polignac number, because 22972285 - 2¹ = 22972283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22972283) 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, 13464 + ... + 15073.

It is an arithmetic number, because the mean of its divisors is an integer number (2054736).

Almost surely, 2^22972285 is an apocalyptic number.

It is an amenable number.

22972285 is a deficient number, since it is larger than the sum of its proper divisors (9903491).

22972285 is a wasteful number, since it uses less digits than its factorization.

22972285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572.

The product of its digits is 40320, while the sum is 37.

The square root of 22972285 is about 4792.9411638367. The cubic root of 22972285 is about 284.2724234155.

The spelling of 22972285 in words is "twenty-two million, nine hundred seventy-two thousand, two hundred eighty-five".