22015792 has 10 divisors (see below), whose sum is σ = 42655628. Its totient is φ = 11007888.

The previous prime is 22015789. The next prime is 22015801. The reversal of 22015792 is 29751022.

It is a self number, because there is not a number n which added to its sum of digits gives 22015792.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687978 + ... + 688009.

Almost surely, 2^22015792 is an apocalyptic number.

It is an amenable number.

22015792 is a deficient number, since it is larger than the sum of its proper divisors (20639836).

22015792 is a wasteful number, since it uses less digits than its factorization.

22015792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375995 (or 1375989 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22015792 is about 4692.0988906885. The cubic root of 22015792 is about 280.2709621891.

The spelling of 22015792 in words is "twenty-two million, fifteen thousand, seven hundred ninety-two".