22427968 has 14 divisors (see below), whose sum is σ = 44505626. Its totient is φ = 11213952.

The previous prime is 22427963. The next prime is 22427969. The reversal of 22427968 is 86972422.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 73984 = 4728^2 + 272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22427968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22427963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175155 + ... + 175282.

Almost surely, 2^22427968 is an apocalyptic number.

It is an amenable number.

22427968 is a deficient number, since it is larger than the sum of its proper divisors (22077658).

22427968 is an equidigital number, since it uses as much as digits as its factorization.

22427968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350449 (or 350439 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 22427968 is about 4735.8175640538. The cubic root of 22427968 is about 282.0092212333.

The spelling of 22427968 in words is "twenty-two million, four hundred twenty-seven thousand, nine hundred sixty-eight".