22553412 has 24 divisors (see below), whose sum is σ = 60142656. Its totient is φ = 6443808.

The previous prime is 22553393. The next prime is 22553413. The reversal of 22553412 is 21435522.

It is not an unprimeable number, because it can be changed into a prime (22553413) 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, 134163 + ... + 134330.

It is an arithmetic number, because the mean of its divisors is an integer number (2505944).

Almost surely, 2^22553412 is an apocalyptic number.

It is an amenable number.

22553412 is an abundant number, since it is smaller than the sum of its proper divisors (37589244).

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

22553412 is a wasteful number, since it uses less digits than its factorization.

22553412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268507 (or 268505 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 22553412 is about 4749.0432720707. The cubic root of 22553412 is about 282.5340215376.

Adding to 22553412 its reverse (21435522), we get a palindrome (43988934).

The spelling of 22553412 in words is "twenty-two million, five hundred fifty-three thousand, four hundred twelve".