18374422 has 16 divisors (see below), whose sum is σ = 30881232. Its totient is φ = 8125920.

The previous prime is 18374417. The next prime is 18374431. The reversal of 18374422 is 22447381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (1930077).

Almost surely, 2^18374422 is an apocalyptic number.

18374422 is a deficient number, since it is larger than the sum of its proper divisors (12506810).

18374422 is a wasteful number, since it uses less digits than its factorization.

18374422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22623.

The product of its digits is 10752, while the sum is 31.

The square root of 18374422 is about 4286.5396300513. The cubic root of 18374422 is about 263.8788374988.

The spelling of 18374422 in words is "eighteen million, three hundred seventy-four thousand, four hundred twenty-two".