22299968 has 14 divisors (see below), whose sum is σ = 44251626. Its totient is φ = 11149952.

The previous prime is 22299961. The next prime is 22300001. The reversal of 22299968 is 86999222.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 322624 = 4688^2 + 568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22299961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174155 + ... + 174282.

Almost surely, 2^22299968 is an apocalyptic number.

It is an amenable number.

22299968 is a deficient number, since it is larger than the sum of its proper divisors (21951658).

22299968 is an equidigital number, since it uses as much as digits as its factorization.

22299968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348449 (or 348439 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 22299968 is about 4722.2841930574. The cubic root of 22299968 is about 281.4717067978.

The spelling of 22299968 in words is "twenty-two million, two hundred ninety-nine thousand, nine hundred sixty-eight".