22912865 has 8 divisors (see below), whose sum is σ = 27763008. Its totient is φ = 18151920.

The previous prime is 22912843. The next prime is 22912867. The reversal of 22912865 is 56821922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22912865 - 2¹⁴ = 22896481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22912867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21731 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (3470376).

Almost surely, 2^22912865 is an apocalyptic number.

It is an amenable number.

22912865 is a deficient number, since it is larger than the sum of its proper divisors (4850143).

22912865 is a wasteful number, since it uses less digits than its factorization.

22912865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44599.

The product of its digits is 17280, while the sum is 35.

The square root of 22912865 is about 4786.7384511795. The cubic root of 22912865 is about 284.0271125673.

The spelling of 22912865 in words is "twenty-two million, nine hundred twelve thousand, eight hundred sixty-five".