22022999 has 2 divisors, whose sum is σ = 22023000. Its totient is φ = 22022998.

The previous prime is 22022981. The next prime is 22023019. The reversal of 22022999 is 99922022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22022999 - 2²⁴ = 5245783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011499 + 11011500.

It is an arithmetic number, because the mean of its divisors is an integer number (11011500).

Almost surely, 2^22022999 is an apocalyptic number.

22022999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022999 is an equidigital number, since it uses as much as digits as its factorization.

22022999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 22022999 is about 4692.8668210381. The cubic root of 22022999 is about 280.3015416395.

The spelling of 22022999 in words is "twenty-two million, twenty-two thousand, nine hundred ninety-nine".