22492 has 6 divisors (see below), whose sum is σ = 39368. Its totient is φ = 11244.

The previous prime is 22483. The next prime is 22501. The reversal of 22492 is 29422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22483) and next prime (22501).

It is a congruent number.

It is an unprimeable number.

22492 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 as a sum of consecutive naturals, namely, 2808 + ... + 2815.

2²²⁴⁹² is an apocalyptic number.

It is an amenable number.

22492 is a deficient number, since it is larger than the sum of its proper divisors (16876).

22492 is a wasteful number, since it uses less digits than its factorization.

22492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627 (or 5625 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 22492 is about 149.9733309625. The cubic root of 22492 is about 28.2277345639.

The spelling of 22492 in words is "twenty-two thousand, four hundred ninety-two".