18460022 has 16 divisors (see below), whose sum is σ = 31938720. Its totient is φ = 7838208.

The previous prime is 18459997. The next prime is 18460031. The reversal of 18460022 is 22006481.

It is a self number, because there is not a number n which added to its sum of digits gives 18460022.

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, 4523 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (1996170).

Almost surely, 2^18460022 is an apocalyptic number.

18460022 is a deficient number, since it is larger than the sum of its proper divisors (13478698).

18460022 is a wasteful number, since it uses less digits than its factorization.

18460022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18460022 is about 4296.5127720048. The cubic root of 18460022 is about 264.2879758546.

It can be divided in two parts, 184 and 60022, that added together give a palindrome (60206).

The spelling of 18460022 in words is "eighteen million, four hundred sixty thousand, twenty-two".