22516768 has 24 divisors (see below), whose sum is σ = 44588880. Its totient is φ = 11192640.

The previous prime is 22516751. The next prime is 22516771. The reversal of 22516768 is 86761522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (1857870).

Almost surely, 2^22516768 is an apocalyptic number.

It is an amenable number.

22516768 is a deficient number, since it is larger than the sum of its proper divisors (22072112).

22516768 is a wasteful number, since it uses less digits than its factorization.

22516768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4112 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 22516768 is about 4745.1836634634. The cubic root of 22516768 is about 282.3809214374.

The spelling of 22516768 in words is "twenty-two million, five hundred sixteen thousand, seven hundred sixty-eight".