18474022 has 16 divisors (see below), whose sum is σ = 31779072. Its totient is φ = 7890120.

The previous prime is 18474017. The next prime is 18474059. The reversal of 18474022 is 22047481.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2233 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (1986192).

Almost surely, 2^18474022 is an apocalyptic number.

18474022 is a deficient number, since it is larger than the sum of its proper divisors (13305050).

18474022 is a wasteful number, since it uses less digits than its factorization.

18474022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 18474022 is about 4298.1416914755. The cubic root of 18474022 is about 264.3547705871.

The spelling of 18474022 in words is "eighteen million, four hundred seventy-four thousand, twenty-two".