18992282 has 8 divisors (see below), whose sum is σ = 28597536. Its totient is φ = 9459772.

The previous prime is 18992279. The next prime is 18992293. The reversal of 18992282 is 28229981.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17528 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (3574692).

Almost surely, 2^18992282 is an apocalyptic number.

18992282 is a deficient number, since it is larger than the sum of its proper divisors (9605254).

18992282 is a wasteful number, since it uses less digits than its factorization.

18992282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36372.

The product of its digits is 41472, while the sum is 41.

The square root of 18992282 is about 4358.0135382993. The cubic root of 18992282 is about 266.8040288842.

The spelling of 18992282 in words is "eighteen million, nine hundred ninety-two thousand, two hundred eighty-two".