222996 has 12 divisors (see below), whose sum is σ = 520352. Its totient is φ = 74328.

The previous prime is 222991. The next prime is 223007. The reversal of 222996 is 699222.

222996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222991) by changing a digit.

222996 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 3 ways as a sum of consecutive naturals, for example, 9280 + ... + 9303.

2²²²⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

222996 is an abundant number, since it is smaller than the sum of its proper divisors (297356).

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

222996 is a wasteful number, since it uses less digits than its factorization.

222996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18590 (or 18588 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 222996 is about 472.2245228702. The cubic root of 222996 is about 60.6409073643.

The spelling of 222996 in words is "two hundred twenty-two thousand, nine hundred ninety-six".