922745137 has 2 divisors, whose sum is σ = 922745138. Its totient is φ = 922745136.

The previous prime is 922745111. The next prime is 922745141. The reversal of 922745137 is 731547229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921972496 + 772641 = 30364^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 922745137 - 2⁷ = 922745009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 922745137.

It is not a weakly prime, because it can be changed into another prime (922745107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461372568 + 461372569.

It is an arithmetic number, because the mean of its divisors is an integer number (461372569).

Almost surely, 2^922745137 is an apocalyptic number.

It is an amenable number.

922745137 is a deficient number, since it is larger than the sum of its proper divisors (1).

922745137 is an equidigital number, since it uses as much as digits as its factorization.

922745137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 922745137 is about 30376.7203134242. The cubic root of 922745137 is about 973.5552169631. Note that the first 3 decimals are identical.

The spelling of 922745137 in words is "nine hundred twenty-two million, seven hundred forty-five thousand, one hundred thirty-seven".