566565122 has 6 divisors (see below), whose sum is σ = 849898179. Its totient is φ = 283265730.

The previous prime is 566565121. The next prime is 566565143. The reversal of 566565122 is 221565665.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 283282561 + 283282561 = 16831^2 + 16831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=16831.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566565121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25247 + ... + 42077.

Almost surely, 2^566565122 is an apocalyptic number.

566565122 is a deficient number, since it is larger than the sum of its proper divisors (283333057).

566565122 is an frugal number, since it uses more digits than its factorization.

566565122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33664 (or 16833 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 566565122 is about 23802.6284683016. The cubic root of 566565122 is about 827.4655946606.

The spelling of 566565122 in words is "five hundred sixty-six million, five hundred sixty-five thousand, one hundred twenty-two".