564494922 has 12 divisors (see below), whose sum is σ = 1223072370. Its totient is φ = 188164968.

The previous prime is 564494893. The next prime is 564494941. The reversal of 564494922 is 229494465.

564494922 is a `hidden beast` number, since 564 + 49 + 49 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 337420161 + 227074761 = 18369^2 + 15069^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 15680397 + ... + 15680432.

Almost surely, 2^564494922 is an apocalyptic number.

564494922 is an abundant number, since it is smaller than the sum of its proper divisors (658577448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564494922 is a wasteful number, since it uses less digits than its factorization.

564494922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360837 (or 31360834 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 564494922 is about 23759.1018769650. The cubic root of 564494922 is about 826.4565256342.

The spelling of 564494922 in words is "five hundred sixty-four million, four hundred ninety-four thousand, nine hundred twenty-two".