18996922 has 32 divisors (see below), whose sum is σ = 36305280. Its totient is φ = 7257600.

The previous prime is 18996917. The next prime is 18996953. The reversal of 18996922 is 22969981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2422 + ... + 6622.

It is an arithmetic number, because the mean of its divisors is an integer number (1134540).

Almost surely, 2^18996922 is an apocalyptic number.

18996922 is a deficient number, since it is larger than the sum of its proper divisors (17308358).

18996922 is a wasteful number, since it uses less digits than its factorization.

18996922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its digits is 139968, while the sum is 46.

The square root of 18996922 is about 4358.5458584257. The cubic root of 18996922 is about 266.8257547251.

The spelling of 18996922 in words is "eighteen million, nine hundred ninety-six thousand, nine hundred twenty-two".