218274 has 16 divisors (see below), whose sum is σ = 499008. Its totient is φ = 62352.

The previous prime is 218249. The next prime is 218279. The reversal of 218274 is 472812.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 218274.

It is not an unprimeable number, because it can be changed into a prime (218279) 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, 2557 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (31188).

2²¹⁸²⁷⁴ is an apocalyptic number.

218274 is an abundant number, since it is smaller than the sum of its proper divisors (280734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218274 is a wasteful number, since it uses less digits than its factorization.

218274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209.

The product of its digits is 896, while the sum is 24.

The square root of 218274 is about 467.1980308178. The cubic root of 218274 is about 60.2098209530.

The spelling of 218274 in words is "two hundred eighteen thousand, two hundred seventy-four".