22458899 has 2 divisors, whose sum is σ = 22458900. Its totient is φ = 22458898.

The previous prime is 22458859. The next prime is 22458901. The reversal of 22458899 is 99885422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22458899 - 2⁸ = 22458643 is a prime.

It is a Sophie Germain prime.

Together with 22458901, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22458829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11229449 + 11229450.

It is an arithmetic number, because the mean of its divisors is an integer number (11229450).

Almost surely, 2^22458899 is an apocalyptic number.

22458899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22458899 is an equidigital number, since it uses as much as digits as its factorization.

22458899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 47.

The square root of 22458899 is about 4739.0820841171. The cubic root of 22458899 is about 282.1388037904.

The spelling of 22458899 in words is "twenty-two million, four hundred fifty-eight thousand, eight hundred ninety-nine".