922297561 has 2 divisors, whose sum is σ = 922297562. Its totient is φ = 922297560.

The previous prime is 922297547. The next prime is 922297567. The reversal of 922297561 is 165792229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868421961 + 53875600 = 29469^2 + 7340^2 .

It is a cyclic number.

It is not a de Polignac number, because 922297561 - 2⁷ = 922297433 is a prime.

It is not a weakly prime, because it can be changed into another prime (922297567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461148780 + 461148781.

It is an arithmetic number, because the mean of its divisors is an integer number (461148781).

Almost surely, 2^922297561 is an apocalyptic number.

It is an amenable number.

922297561 is a deficient number, since it is larger than the sum of its proper divisors (1).

922297561 is an equidigital number, since it uses as much as digits as its factorization.

922297561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 922297561 is about 30369.3523309273. The cubic root of 922297561 is about 973.3977843912.

The spelling of 922297561 in words is "nine hundred twenty-two million, two hundred ninety-seven thousand, five hundred sixty-one".