18022634 has 16 divisors (see below), whose sum is σ = 31056000. Its totient is φ = 7683984.

The previous prime is 18022591. The next prime is 18022643. The reversal of 18022634 is 43622081.

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, 449 + ... + 6020.

It is an arithmetic number, because the mean of its divisors is an integer number (1941000).

Almost surely, 2^18022634 is an apocalyptic number.

18022634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18022634 is a deficient number, since it is larger than the sum of its proper divisors (13033366).

18022634 is a wasteful number, since it uses less digits than its factorization.

18022634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 18022634 is about 4245.3072915868. The cubic root of 18022634 is about 262.1839413007.

The spelling of 18022634 in words is "eighteen million, twenty-two thousand, six hundred thirty-four".