18022108 has 96 divisors (see below), whose sum is σ = 40219200. Its totient is φ = 6967296.

The previous prime is 18022097. The next prime is 18022111. The reversal of 18022108 is 80122081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487066 + ... + 487102.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 2^18022108 is an apocalyptic number.

It is an amenable number.

18022108 is an abundant number, since it is smaller than the sum of its proper divisors (22197092).

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

18022108 is a wasteful number, since it uses less digits than its factorization.

18022108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 18022108 is about 4245.2453403779. The cubic root of 18022108 is about 262.1813906174.

Adding to 18022108 its reverse (80122081), we get a palindrome (98144189).

The spelling of 18022108 in words is "eighteen million, twenty-two thousand, one hundred eight".