18255230 has 32 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 6228000.

The previous prime is 18255221. The next prime is 18255247. The reversal of 18255230 is 3255281.

It is a self number, because there is not a number n which added to its sum of digits gives 18255230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17051 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^18255230 is an apocalyptic number.

18255230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18255230 is an abundant number, since it is smaller than the sum of its proper divisors (19484290).

18255230 is a wasteful number, since it uses less digits than its factorization.

18255230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 18255230 is about 4272.6139540099. The cubic root of 18255230 is about 263.3070190373.

The spelling of 18255230 in words is "eighteen million, two hundred fifty-five thousand, two hundred thirty".