218230 has 16 divisors (see below), whose sum is σ = 398160. Its totient is φ = 86112.

The previous prime is 218227. The next prime is 218233. The reversal of 218230 is 32812.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (218227) and next prime (218233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218233) 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, 1312 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (24885).

2²¹⁸²³⁰ is an apocalyptic number.

218230 is a deficient number, since it is larger than the sum of its proper divisors (179930).

218230 is a wasteful number, since it uses less digits than its factorization.

218230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 218230 is about 467.1509392049. The cubic root of 218230 is about 60.2057749525.

The spelling of 218230 in words is "two hundred eighteen thousand, two hundred thirty".