18336230 has 16 divisors (see below), whose sum is σ = 36005904. Its totient is φ = 6667680.

The previous prime is 18336209. The next prime is 18336257. The reversal of 18336230 is 3263381.

It is a super-2 number, since 2×18336230² = 672434661225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18336230.

It is a congruent number.

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, 83237 + ... + 83456.

It is an arithmetic number, because the mean of its divisors is an integer number (2250369).

Almost surely, 2^18336230 is an apocalyptic number.

18336230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18336230 is a deficient number, since it is larger than the sum of its proper divisors (17669674).

18336230 is a wasteful number, since it uses less digits than its factorization.

18336230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166711.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 18336230 is about 4282.0824373195. The cubic root of 18336230 is about 263.6958829693.

The spelling of 18336230 in words is "eighteen million, three hundred thirty-six thousand, two hundred thirty".