22988399 has 12 divisors (see below), whose sum is σ = 27183528. Its totient is φ = 19378800.

The previous prime is 22988389. The next prime is 22988417. The reversal of 22988399 is 99388922.

It is not a de Polignac number, because 22988399 - 2¹² = 22984303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22988389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (2265294).

Almost surely, 2^22988399 is an apocalyptic number.

22988399 is a deficient number, since it is larger than the sum of its proper divisors (4195129).

22988399 is an equidigital number, since it uses as much as digits as its factorization.

22988399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766 (or 7759 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 22988399 is about 4794.6218829017. The cubic root of 22988399 is about 284.3388758847.

The spelling of 22988399 in words is "twenty-two million, nine hundred eighty-eight thousand, three hundred ninety-nine".