18530230 has 16 divisors (see below), whose sum is σ = 33436800. Its totient is φ = 7393792.

The previous prime is 18530227. The next prime is 18530233. The reversal of 18530230 is 3203581.

It is an interprime number because it is at equal distance from previous prime (18530227) and next prime (18530233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18530233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427 + ... + 6553.

It is an arithmetic number, because the mean of its divisors is an integer number (2089800).

Almost surely, 2^18530230 is an apocalyptic number.

18530230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18530230 is a deficient number, since it is larger than the sum of its proper divisors (14906570).

18530230 is a wasteful number, since it uses less digits than its factorization.

18530230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 18530230 is about 4304.6753652279. The cubic root of 18530230 is about 264.6226026957.

The spelling of 18530230 in words is "eighteen million, five hundred thirty thousand, two hundred thirty".