22563126 has 24 divisors (see below), whose sum is σ = 48994920. Its totient is φ = 7504416.

The previous prime is 22563113. The next prime is 22563137. The reversal of 22563126 is 62136522.

22563126 is a `hidden beast` number, since 2 + 2 + 5 + 631 + 26 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22563126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9141 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (2041455).

Almost surely, 2^22563126 is an apocalyptic number.

22563126 is an abundant number, since it is smaller than the sum of its proper divisors (26431794).

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

22563126 is a wasteful number, since it uses less digits than its factorization.

22563126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2777 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22563126 is about 4750.0658942798. The cubic root of 22563126 is about 282.5745792079.

Adding to 22563126 its reverse (62136522), we get a palindrome (84699648).

The spelling of 22563126 in words is "twenty-two million, five hundred sixty-three thousand, one hundred twenty-six".