22402999 has 2 divisors, whose sum is σ = 22403000. Its totient is φ = 22402998.

The previous prime is 22402979. The next prime is 22403009. The reversal of 22402999 is 99920422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22402999 - 2⁵ = 22402967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22402979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201499 + 11201500.

It is an arithmetic number, because the mean of its divisors is an integer number (11201500).

Almost surely, 2^22402999 is an apocalyptic number.

22402999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402999 is an equidigital number, since it uses as much as digits as its factorization.

22402999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 22402999 is about 4733.1806430771. The cubic root of 22402999 is about 281.9045289884.

The spelling of 22402999 in words is "twenty-two million, four hundred two thousand, nine hundred ninety-nine".