566226557 has 6 divisors (see below), whose sum is σ = 613133082. Its totient is φ = 522670512.

The previous prime is 566226547. The next prime is 566226569. The reversal of 566226557 is 755622665.

It can be written as a sum of positive squares in 3 ways, for example, as 23755876 + 542470681 = 4874^2 + 23291^2 .

It is not a de Polignac number, because 566226557 - 2¹⁶ = 566161021 is a prime.

It is a super-2 number, since 2×566226557² = 641225027704148498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566226517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675058 + ... + 1675395.

It is an arithmetic number, because the mean of its divisors is an integer number (102188847).

Almost surely, 2^566226557 is an apocalyptic number.

It is an amenable number.

566226557 is a deficient number, since it is larger than the sum of its proper divisors (46906525).

566226557 is a wasteful number, since it uses less digits than its factorization.

566226557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350479 (or 3350466 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 566226557 is about 23795.5154808632. The cubic root of 566226557 is about 827.3007376416.

The spelling of 566226557 in words is "five hundred sixty-six million, two hundred twenty-six thousand, five hundred fifty-seven".