22598089 has 4 divisors (see below), whose sum is σ = 22609024. Its totient is φ = 22587156.

The previous prime is 22598063. The next prime is 22598113. The reversal of 22598089 is 98089522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22598089 - 2⁵ = 22598057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22598189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (5652256).

Almost surely, 2^22598089 is an apocalyptic number.

It is an amenable number.

22598089 is a deficient number, since it is larger than the sum of its proper divisors (10935).

22598089 is an equidigital number, since it uses as much as digits as its factorization.

22598089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 22598089 is about 4753.7447344173. The cubic root of 22598089 is about 282.7204596495.

The spelling of 22598089 in words is "twenty-two million, five hundred ninety-eight thousand, eighty-nine".