222992 has 40 divisors (see below), whose sum is σ = 541632. Its totient is φ = 86400.

The previous prime is 222991. The next prime is 223007. The reversal of 222992 is 299222.

It is an Ulam number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 1322.

2²²²⁹⁹² is an apocalyptic number.

222992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270816).

222992 is an abundant number, since it is smaller than the sum of its proper divisors (318640).

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

222992 is a wasteful number, since it uses less digits than its factorization.

222992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 222992 is about 472.2202875777. The cubic root of 222992 is about 60.6405447792.

The spelling of 222992 in words is "two hundred twenty-two thousand, nine hundred ninety-two".