18022334 has 16 divisors (see below), whose sum is σ = 29571696. Its totient is φ = 8169600.

The previous prime is 18022327. The next prime is 18022337. The reversal of 18022334 is 43322081.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18022337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9254 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (1848231).

Almost surely, 2^18022334 is an apocalyptic number.

18022334 is a deficient number, since it is larger than the sum of its proper divisors (11549362).

18022334 is a wasteful number, since it uses less digits than its factorization.

18022334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 18022334 is about 4245.2719583084. The cubic root of 18022334 is about 262.1824865444.

The spelling of 18022334 in words is "eighteen million, twenty-two thousand, three hundred thirty-four".