922506913 has 4 divisors (see below), whose sum is σ = 935144068. Its totient is φ = 909869760.

The previous prime is 922506911. The next prime is 922506917. The reversal of 922506913 is 319605229.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 635644944 + 286861969 = 25212^2 + 16937^2 .

It is a cyclic number.

It is not a de Polignac number, because 922506913 - 2¹ = 922506911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922506911) 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 in 3 ways as a sum of consecutive naturals, for example, 6318468 + ... + 6318613.

It is an arithmetic number, because the mean of its divisors is an integer number (233786017).

Almost surely, 2^922506913 is an apocalyptic number.

It is an amenable number.

922506913 is a deficient number, since it is larger than the sum of its proper divisors (12637155).

922506913 is a wasteful number, since it uses less digits than its factorization.

922506913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637154.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 922506913 is about 30372.7988996734. The cubic root of 922506913 is about 973.4714292265.

The spelling of 922506913 in words is "nine hundred twenty-two million, five hundred six thousand, nine hundred thirteen".