565722 has 24 divisors (see below), whose sum is σ = 1250964. Its totient is φ = 184704.

The previous prime is 565667. The next prime is 565723. The reversal of 565722 is 227565.

565722 is a `hidden beast` number, since 5 + 657 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 549081 + 16641 = 741^2 + 129^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (565723) by changing a digit.

565722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658 + ... + 1250.

2⁵⁶⁵⁷²² is an apocalyptic number.

565722 is an abundant number, since it is smaller than the sum of its proper divisors (685242).

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

565722 is a wasteful number, since it uses less digits than its factorization.

565722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 651 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 565722 is about 752.1449328421. The cubic root of 565722 is about 82.7054932365.

It can be divided in two parts, 56 and 5722, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 565722 in words is "five hundred sixty-five thousand, seven hundred twenty-two".