17222054989 has 2 divisors, whose sum is σ = 17222054990. Its totient is φ = 17222054988.

The previous prime is 17222054987. The next prime is 17222055013. The reversal of 17222054989 is 98945022271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16057198089 + 1164856900 = 126717^2 + 34130^2 .

It is a cyclic number.

It is not a de Polignac number, because 17222054989 - 2¹ = 17222054987 is a prime.

Together with 17222054987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17222054987) 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, 8611027494 + 8611027495.

It is an arithmetic number, because the mean of its divisors is an integer number (8611027495).

Almost surely, 2^17222054989 is an apocalyptic number.

It is an amenable number.

17222054989 is a deficient number, since it is larger than the sum of its proper divisors (1).

17222054989 is an equidigital number, since it uses as much as digits as its factorization.

17222054989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 17222054989 in words is "seventeen billion, two hundred twenty-two million, fifty-four thousand, nine hundred eighty-nine".