22738568 has 16 divisors (see below), whose sum is σ = 42701580. Its totient is φ = 11351488.

The previous prime is 22738567. The next prime is 22738603. The reversal of 22738568 is 86583722.

It can be written as a sum of positive squares in 2 ways, for example, as 22486564 + 252004 = 4742^2 + 502^2 .

It is not an unprimeable number, because it can be changed into a prime (22738567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4346 + ... + 8022.

Almost surely, 2^22738568 is an apocalyptic number.

It is an amenable number.

22738568 is a deficient number, since it is larger than the sum of its proper divisors (19963012).

22738568 is a wasteful number, since it uses less digits than its factorization.

22738568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456 (or 4452 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 22738568 is about 4768.4974572710. The cubic root of 22738568 is about 283.3050853807.

The spelling of 22738568 in words is "twenty-two million, seven hundred thirty-eight thousand, five hundred sixty-eight".