922643361 has 12 divisors (see below), whose sum is σ = 1354555540. Its totient is φ = 605011680.

The previous prime is 922643353. The next prime is 922643387. The reversal of 922643361 is 163346229.

922643361 is a `hidden beast` number, since 9 + 2 + 2 + 643 + 3 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119771136 + 802872225 = 10944^2 + 28335^2 .

It is not a de Polignac number, because 922643361 - 2³ = 922643353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922643341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839746 + ... + 840843.

Almost surely, 2^922643361 is an apocalyptic number.

It is an amenable number.

922643361 is a deficient number, since it is larger than the sum of its proper divisors (431912179).

922643361 is a wasteful number, since it uses less digits than its factorization.

922643361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680656 (or 1680653 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 922643361 is about 30375.0450370036. The cubic root of 922643361 is about 973.5194222476.

The spelling of 922643361 in words is "nine hundred twenty-two million, six hundred forty-three thousand, three hundred sixty-one".