18082122 has 32 divisors (see below), whose sum is σ = 37953792. Its totient is φ = 5736384.

The previous prime is 18082111. The next prime is 18082151. The reversal of 18082122 is 22128081.

It is a junction number, because it is equal to n+sod(n) for n = 18082092 and 18082101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9568 + ... + 11300.

It is an arithmetic number, because the mean of its divisors is an integer number (1186056).

Almost surely, 2^18082122 is an apocalyptic number.

18082122 is an abundant number, since it is smaller than the sum of its proper divisors (19871670).

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

18082122 is a wasteful number, since it uses less digits than its factorization.

18082122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18082122 is about 4252.3078439831. The cubic root of 18082122 is about 262.4720913640.

The spelling of 18082122 in words is "eighteen million, eighty-two thousand, one hundred twenty-two".