22254492 has 24 divisors (see below), whose sum is σ = 55921936. Its totient is φ = 6847488.

The previous prime is 22254473. The next prime is 22254511. The reversal of 22254492 is 29445222.

It is an interprime number because it is at equal distance from previous prime (22254473) and next prime (22254511).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71173 + ... + 71484.

Almost surely, 2^22254492 is an apocalyptic number.

It is an amenable number.

22254492 is an abundant number, since it is smaller than the sum of its proper divisors (33667444).

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

22254492 is a wasteful number, since it uses less digits than its factorization.

22254492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142677 (or 142675 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 22254492 is about 4717.4666930462. The cubic root of 22254492 is about 281.2802428713.

The spelling of 22254492 in words is "twenty-two million, two hundred fifty-four thousand, four hundred ninety-two".