922945819 has 2 divisors, whose sum is σ = 922945820. Its totient is φ = 922945818.

The previous prime is 922945811. The next prime is 922945823. The reversal of 922945819 is 918549229.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 922945819 - 2³ = 922945811 is a prime.

It is a super-2 number, since 2×922945819² = 1703657969619161522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (922945811) 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, 461472909 + 461472910.

It is an arithmetic number, because the mean of its divisors is an integer number (461472910).

Almost surely, 2^922945819 is an apocalyptic number.

922945819 is a deficient number, since it is larger than the sum of its proper divisors (1).

922945819 is an equidigital number, since it uses as much as digits as its factorization.

922945819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 922945819 is about 30380.0233541714. The cubic root of 922945819 is about 973.6257893015.

The spelling of 922945819 in words is "nine hundred twenty-two million, nine hundred forty-five thousand, eight hundred nineteen".