22553136 has 30 divisors (see below), whose sum is σ = 63117860. Its totient is φ = 7517664.

The previous prime is 22553129. The next prime is 22553147. The reversal of 22553136 is 63135522.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78166 + ... + 78453.

Almost surely, 2^22553136 is an apocalyptic number.

It is an amenable number.

22553136 is an abundant number, since it is smaller than the sum of its proper divisors (40564724).

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

22553136 is a wasteful number, since it uses less digits than its factorization.

22553136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156633 (or 156624 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 22553136 is about 4749.0142134974. The cubic root of 22553136 is about 282.5328690186.

Adding to 22553136 its reverse (63135522), we get a palindrome (85688658).

It can be divided in two parts, 225 and 53136, that added together give a square (53361 = 231²).

The spelling of 22553136 in words is "twenty-two million, five hundred fifty-three thousand, one hundred thirty-six".