22544492 has 6 divisors (see below), whose sum is σ = 39452868. Its totient is φ = 11272244.

The previous prime is 22544479. The next prime is 22544497. The reversal of 22544492 is 29444522.

It is not an unprimeable number, because it can be changed into a prime (22544497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818058 + ... + 2818065.

It is an arithmetic number, because the mean of its divisors is an integer number (6575478).

Almost surely, 2^22544492 is an apocalyptic number.

It is an amenable number.

22544492 is a deficient number, since it is larger than the sum of its proper divisors (16908376).

22544492 is a wasteful number, since it uses less digits than its factorization.

22544492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636127 (or 5636125 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 22544492 is about 4748.1040426680. The cubic root of 22544492 is about 282.4967686998.

The spelling of 22544492 in words is "twenty-two million, five hundred forty-four thousand, four hundred ninety-two".