922909189 has 2 divisors, whose sum is σ = 922909190. Its totient is φ = 922909188.

The previous prime is 922909187. The next prime is 922909231. The reversal of 922909189 is 981909229.

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., 815102500 + 107806689 = 28550^2 + 10383^2 .

It is a cyclic number.

It is not a de Polignac number, because 922909189 - 2¹ = 922909187 is a prime.

It is a super-2 number, since 2×922909189² = 1703522742281275442, which contains 22 as substring.

Together with 922909187, 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 (922909187) 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, 461454594 + 461454595.

It is an arithmetic number, because the mean of its divisors is an integer number (461454595).

Almost surely, 2^922909189 is an apocalyptic number.

It is an amenable number.

922909189 is a deficient number, since it is larger than the sum of its proper divisors (1).

922909189 is an equidigital number, since it uses as much as digits as its factorization.

922909189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 922909189 is about 30379.4204849270. The cubic root of 922909189 is about 973.6129086665.

The spelling of 922909189 in words is "nine hundred twenty-two million, nine hundred nine thousand, one hundred eighty-nine".