18267230 has 8 divisors (see below), whose sum is σ = 32881032. Its totient is φ = 7306888.

The previous prime is 18267211. The next prime is 18267253. The reversal of 18267230 is 3276281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18267193 and 18267202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913352 + ... + 913371.

It is an arithmetic number, because the mean of its divisors is an integer number (4110129).

Almost surely, 2^18267230 is an apocalyptic number.

18267230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18267230 is a deficient number, since it is larger than the sum of its proper divisors (14613802).

18267230 is a wasteful number, since it uses less digits than its factorization.

18267230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826730.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 18267230 is about 4274.0180158722. The cubic root of 18267230 is about 263.3647009938.

The spelling of 18267230 in words is "eighteen million, two hundred sixty-seven thousand, two hundred thirty".