22912285 has 16 divisors (see below), whose sum is σ = 30087360. Its totient is φ = 16611840.

The previous prime is 22912283. The next prime is 22912289. The reversal of 22912285 is 58221922.

It is not a de Polignac number, because 22912285 - 2¹ = 22912283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22912283) 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, 33709 + ... + 34381.

It is an arithmetic number, because the mean of its divisors is an integer number (1880460).

Almost surely, 2^22912285 is an apocalyptic number.

It is an amenable number.

22912285 is a deficient number, since it is larger than the sum of its proper divisors (7175075).

22912285 is a wasteful number, since it uses less digits than its factorization.

22912285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its digits is 5760, while the sum is 31.

The square root of 22912285 is about 4786.6778667464. The cubic root of 22912285 is about 284.0247159935.

The spelling of 22912285 in words is "twenty-two million, nine hundred twelve thousand, two hundred eighty-five".