565422 has 32 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 157920.

The previous prime is 565393. The next prime is 565427. The reversal of 565422 is 224565.

It is a junction number, because it is equal to n+sod(n) for n = 565392 and 565401.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565422.

It is not an unprimeable number, because it can be changed into a prime (565427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁵⁶⁵⁴²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665280).

565422 is an abundant number, since it is smaller than the sum of its proper divisors (765138).

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

565422 is a wasteful number, since it uses less digits than its factorization.

565422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 2400, while the sum is 24.

The square root of 565422 is about 751.9454767468. The cubic root of 565422 is about 82.6908711930.

Adding to 565422 its reverse (224565), we get a palindrome (789987).

The spelling of 565422 in words is "five hundred sixty-five thousand, four hundred twenty-two".