922298891 has 2 divisors, whose sum is σ = 922298892. Its totient is φ = 922298890.

The previous prime is 922298843. The next prime is 922298903. The reversal of 922298891 is 198892229.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-922298891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (922298821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461149445 + 461149446.

It is an arithmetic number, because the mean of its divisors is an integer number (461149446).

Almost surely, 2^922298891 is an apocalyptic number.

922298891 is a deficient number, since it is larger than the sum of its proper divisors (1).

922298891 is an equidigital number, since it uses as much as digits as its factorization.

922298891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 50.

The square root of 922298891 is about 30369.3742279949. The cubic root of 922298891 is about 973.3982522873.

The spelling of 922298891 in words is "nine hundred twenty-two million, two hundred ninety-eight thousand, eight hundred ninety-one".