214218 has 16 divisors (see below), whose sum is σ = 476160. Its totient is φ = 71388.

The previous prime is 214213. The next prime is 214219. The reversal of 214218 is 812412.

214218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 214218.

It is not an unprimeable number, because it can be changed into a prime (214211) by changing a digit.

214218 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930 + ... + 2037.

It is an arithmetic number, because the mean of its divisors is an integer number (29760).

2²¹⁴²¹⁸ is an apocalyptic number.

214218 is an abundant number, since it is smaller than the sum of its proper divisors (261942).

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

214218 is a wasteful number, since it uses less digits than its factorization.

214218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978 (or 3972 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 214218 is about 462.8369043194. The cubic root of 214218 is about 59.8345441588.

The spelling of 214218 in words is "two hundred fourteen thousand, two hundred eighteen".