22534144 has 24 divisors (see below), whose sum is σ = 45061380. Its totient is φ = 11266048.

The previous prime is 22534139. The next prime is 22534153. The reversal of 22534144 is 44143522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3454 + ... + 7549.

Almost surely, 2^22534144 is an apocalyptic number.

It is an amenable number.

22534144 is a deficient number, since it is larger than the sum of its proper divisors (22527236).

22534144 is an equidigital number, since it uses as much as digits as its factorization.

22534144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025 (or 11005 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 22534144 is about 4747.0142194858. The cubic root of 22534144 is about 282.4535397529.

Adding to 22534144 its reverse (44143522), we get a palindrome (66677666).

The spelling of 22534144 in words is "twenty-two million, five hundred thirty-four thousand, one hundred forty-four".