22915039 has 8 divisors (see below), whose sum is σ = 26222240. Its totient is φ = 19616256.

The previous prime is 22915033. The next prime is 22915063. The reversal of 22915039 is 93051922.

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

It is a cyclic number.

It is not a de Polignac number, because 22915039 - 2⁷ = 22914911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22915039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22915033) 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, 5647 + ... + 8815.

It is an arithmetic number, because the mean of its divisors is an integer number (3277780).

Almost surely, 2^22915039 is an apocalyptic number.

22915039 is a deficient number, since it is larger than the sum of its proper divisors (3307201).

22915039 is a wasteful number, since it uses less digits than its factorization.

22915039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 22915039 is about 4786.9655315241. The cubic root of 22915039 is about 284.0360952271.

The spelling of 22915039 in words is "twenty-two million, nine hundred fifteen thousand, thirty-nine".