222168 has 16 divisors (see below), whose sum is σ = 555480. Its totient is φ = 74048.

The previous prime is 222163. The next prime is 222193. The reversal of 222168 is 861222.

222168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4605 + ... + 4652.

2²²²¹⁶⁸ is an apocalyptic number.

It is an amenable number.

222168 is an abundant number, since it is smaller than the sum of its proper divisors (333312).

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

222168 is a wasteful number, since it uses less digits than its factorization.

222168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266 (or 9262 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 222168 is about 471.3470059309. The cubic root of 222168 is about 60.5657596112.

The spelling of 222168 in words is "two hundred twenty-two thousand, one hundred sixty-eight".