566726223 has 32 divisors (see below), whose sum is σ = 873308160. Its totient is φ = 320221440.

The previous prime is 566726219. The next prime is 566726239. The reversal of 566726223 is 322627665.

It is a happy number.

It is not a de Polignac number, because 566726223 - 2² = 566726219 is a prime.

It is a super-2 number, since 2×566726223² = 642357223671691458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566726273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 918211 + ... + 918827.

It is an arithmetic number, because the mean of its divisors is an integer number (27290880).

Almost surely, 2^566726223 is an apocalyptic number.

566726223 is a deficient number, since it is larger than the sum of its proper divisors (306581937).

566726223 is a wasteful number, since it uses less digits than its factorization.

566726223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047.

The product of its digits is 181440, while the sum is 39.

The square root of 566726223 is about 23806.0123288215. The cubic root of 566726223 is about 827.5440163028.

The spelling of 566726223 in words is "five hundred sixty-six million, seven hundred twenty-six thousand, two hundred twenty-three".