22590621899 has 4 divisors (see below), whose sum is σ = 22590923136. Its totient is φ = 22590320664.

The previous prime is 22590621871. The next prime is 22590621941. The reversal of 22590621899 is 99812609522.

It is a semiprime because it is the product of two primes, 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 22590621899 - 2³² = 18295654603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22590621899.

It is not an unprimeable number, because it can be changed into a prime (22590671899) 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 in 3 ways as a sum of consecutive naturals, for example, 60677 + ... + 221049.

It is an arithmetic number, because the mean of its divisors is an integer number (5647730784).

Almost surely, 2^22590621899 is an apocalyptic number.

22590621899 is a deficient number, since it is larger than the sum of its proper divisors (301237).

22590621899 is a wasteful number, since it uses less digits than its factorization.

22590621899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301236.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 22590621899 in words is "twenty-two billion, five hundred ninety million, six hundred twenty-one thousand, eight hundred ninety-nine".