22303618889 has 2 divisors, whose sum is σ = 22303618890. Its totient is φ = 22303618888.

The previous prime is 22303618879. The next prime is 22303618927. The reversal of 22303618889 is 98881630322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11510071225 + 10793547664 = 107285^2 + 103892^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303618889 - 2¹² = 22303614793 is a prime.

It is not a weakly prime, because it can be changed into another prime (22303618879) 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, 11151809444 + 11151809445.

It is an arithmetic number, because the mean of its divisors is an integer number (11151809445).

Almost surely, 2^22303618889 is an apocalyptic number.

It is an amenable number.

22303618889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303618889 is an equidigital number, since it uses as much as digits as its factorization.

22303618889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 22303618889 in words is "twenty-two billion, three hundred three million, six hundred eighteen thousand, eight hundred eighty-nine".