222684 has 48 divisors (see below), whose sum is σ = 650496. Its totient is φ = 57600.

The previous prime is 222679. The next prime is 222707. The reversal of 222684 is 486222.

222684 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (13552).

2²²²⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325248).

222684 is an abundant number, since it is smaller than the sum of its proper divisors (427812).

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

222684 is a wasteful number, since it uses less digits than its factorization.

222684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 264 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 222684 is about 471.8940559066. The cubic root of 222684 is about 60.6126126957.

The spelling of 222684 in words is "two hundred twenty-two thousand, six hundred eighty-four".