22418899 has 2 divisors, whose sum is σ = 22418900. Its totient is φ = 22418898.

The previous prime is 22418887. The next prime is 22418911. The reversal of 22418899 is 99881422.

It is a balanced prime because it is at equal distance from previous prime (22418887) and next prime (22418911).

It is a cyclic number.

It is not a de Polignac number, because 22418899 - 2⁷ = 22418771 is a prime.

It is not a weakly prime, because it can be changed into another prime (22418839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11209449 + 11209450.

It is an arithmetic number, because the mean of its divisors is an integer number (11209450).

Almost surely, 2^22418899 is an apocalyptic number.

22418899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22418899 is an equidigital number, since it uses as much as digits as its factorization.

22418899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 22418899 is about 4734.8599768103. The cubic root of 22418899 is about 281.9712049132.

The spelling of 22418899 in words is "twenty-two million, four hundred eighteen thousand, eight hundred ninety-nine".