22563768 has 16 divisors (see below), whose sum is σ = 56409480. Its totient is φ = 7521248.

The previous prime is 22563767. The next prime is 22563781. The reversal of 22563768 is 86736522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470055 + ... + 470102.

Almost surely, 2^22563768 is an apocalyptic number.

It is an amenable number.

22563768 is an abundant number, since it is smaller than the sum of its proper divisors (33845712).

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

22563768 is a wasteful number, since it uses less digits than its factorization.

22563768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940166 (or 940162 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 22563768 is about 4750.1334718090. The cubic root of 22563768 is about 282.5772592615.

The spelling of 22563768 in words is "twenty-two million, five hundred sixty-three thousand, seven hundred sixty-eight".