218254 has 16 divisors (see below), whose sum is σ = 349920. Its totient is φ = 101920.

The previous prime is 218249. The next prime is 218279. The reversal of 218254 is 452812.

218254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3039 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (21870).

2²¹⁸²⁵⁴ is an apocalyptic number.

218254 is a deficient number, since it is larger than the sum of its proper divisors (131666).

218254 is a wasteful number, since it uses less digits than its factorization.

218254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its digits is 640, while the sum is 22.

The square root of 218254 is about 467.1766261276. The cubic root of 218254 is about 60.2079819293.

The spelling of 218254 in words is "two hundred eighteen thousand, two hundred fifty-four".