18074922 has 16 divisors (see below), whose sum is σ = 37316352. Its totient is φ = 5830560.

The previous prime is 18074899. The next prime is 18074923. The reversal of 18074922 is 22947081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18074923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48403 + ... + 48774.

It is an arithmetic number, because the mean of its divisors is an integer number (2332272).

Almost surely, 2^18074922 is an apocalyptic number.

18074922 is an abundant number, since it is smaller than the sum of its proper divisors (19241430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074922 is a wasteful number, since it uses less digits than its factorization.

18074922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97213.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 18074922 is about 4251.4611605894. The cubic root of 18074922 is about 262.4372493998.

The spelling of 18074922 in words is "eighteen million, seventy-four thousand, nine hundred twenty-two".