18342922 has 12 divisors (see below), whose sum is σ = 29794230. Its totient is φ = 8465808.

The previous prime is 18342899. The next prime is 18342941. The reversal of 18342922 is 22924381.

It can be written as a sum of positive squares in 3 ways, for example, as 13329801 + 5013121 = 3651^2 + 2239^2 .

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 5 ways as a sum of consecutive naturals, for example, 26797 + ... + 27472.

Almost surely, 2^18342922 is an apocalyptic number.

18342922 is a deficient number, since it is larger than the sum of its proper divisors (11451308).

18342922 is a wasteful number, since it uses less digits than its factorization.

18342922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54297 (or 54284 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 18342922 is about 4282.8637615502. The cubic root of 18342922 is about 263.7279585962.

The spelling of 18342922 in words is "eighteen million, three hundred forty-two thousand, nine hundred twenty-two".