22817228089 has 2 divisors, whose sum is σ = 22817228090. Its totient is φ = 22817228088.

The previous prime is 22817228087. The next prime is 22817228099. The reversal of 22817228089 is 98082271822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14687500864 + 8129727225 = 121192^2 + 90165^2 .

It is a cyclic number.

It is not a de Polignac number, because 22817228089 - 2¹ = 22817228087 is a prime.

Together with 22817228087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22817228087) 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, 11408614044 + 11408614045.

It is an arithmetic number, because the mean of its divisors is an integer number (11408614045).

Almost surely, 2^22817228089 is an apocalyptic number.

It is an amenable number.

22817228089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22817228089 is an equidigital number, since it uses as much as digits as its factorization.

22817228089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 22817228089 in words is "twenty-two billion, eight hundred seventeen million, two hundred twenty-eight thousand, eighty-nine".