18109022 has 8 divisors (see below), whose sum is σ = 28039872. Its totient is φ = 8762400.

The previous prime is 18109019. The next prime is 18109051. The reversal of 18109022 is 22090181.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 145979 + ... + 146102.

It is an arithmetic number, because the mean of its divisors is an integer number (3504984).

Almost surely, 2^18109022 is an apocalyptic number.

18109022 is a deficient number, since it is larger than the sum of its proper divisors (9930850).

18109022 is a wasteful number, since it uses less digits than its factorization.

18109022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292114.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 18109022 is about 4255.4696568064. The cubic root of 18109022 is about 262.6021830451.

The spelling of 18109022 in words is "eighteen million, one hundred nine thousand, twenty-two".