922222657 has 2 divisors, whose sum is σ = 922222658. Its totient is φ = 922222656.

The previous prime is 922222643. The next prime is 922222661. The reversal of 922222657 is 756222229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897062401 + 25160256 = 29951^2 + 5016^2 .

It is a cyclic number.

It is not a de Polignac number, because 922222657 - 2¹¹ = 922220609 is a prime.

It is not a weakly prime, because it can be changed into another prime (922222157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461111328 + 461111329.

It is an arithmetic number, because the mean of its divisors is an integer number (461111329).

Almost surely, 2^922222657 is an apocalyptic number.

It is an amenable number.

922222657 is a deficient number, since it is larger than the sum of its proper divisors (1).

922222657 is an equidigital number, since it uses as much as digits as its factorization.

922222657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 922222657 is about 30368.1190889393. The cubic root of 922222657 is about 973.3714323169.

The spelling of 922222657 in words is "nine hundred twenty-two million, two hundred twenty-two thousand, six hundred fifty-seven".