222492 has 12 divisors (see below), whose sum is σ = 519176. Its totient is φ = 74160.

The previous prime is 222461. The next prime is 222493. The reversal of 222492 is 294222.

222492 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 tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222493) by changing a digit.

222492 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, 9259 + ... + 9282.

2²²²⁴⁹² is an apocalyptic number.

It is an amenable number.

222492 is an abundant number, since it is smaller than the sum of its proper divisors (296684).

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

222492 is a wasteful number, since it uses less digits than its factorization.

222492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548 (or 18546 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 222492 is about 471.6905765436. The cubic root of 222492 is about 60.5951874534.

The spelling of 222492 in words is "two hundred twenty-two thousand, four hundred ninety-two".