232218 has 48 divisors (see below), whose sum is σ = 611520. Its totient is φ = 62208.

The previous prime is 232217. The next prime is 232259. The reversal of 232218 is 812232.

It is a happy number.

232218 is digitally balanced in base 2 and base 3, because in such bases 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 Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232218.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 232218.

It is not an unprimeable number, because it can be changed into a prime (232217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (12740).

2²³²²¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305760).

232218 is an abundant number, since it is smaller than the sum of its proper divisors (379302).

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

232218 is a wasteful number, since it uses less digits than its factorization.

232218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 128 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 232218 is about 481.8900289485. The cubic root of 232218 is about 61.4655766113.

The spelling of 232218 in words is "two hundred thirty-two thousand, two hundred eighteen".