18214492 has 6 divisors (see below), whose sum is σ = 31875368. Its totient is φ = 9107244.

The previous prime is 18214487. The next prime is 18214501. The reversal of 18214492 is 29441281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276808 + ... + 2276815.

Almost surely, 2^18214492 is an apocalyptic number.

It is an amenable number.

18214492 is a deficient number, since it is larger than the sum of its proper divisors (13660876).

18214492 is a wasteful number, since it uses less digits than its factorization.

18214492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553627 (or 4553625 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 18214492 is about 4267.8439521613. The cubic root of 18214492 is about 263.1110096318. Note that the first 3 decimals are identical.

The spelling of 18214492 in words is "eighteen million, two hundred fourteen thousand, four hundred ninety-two".