565223316 has 96 divisors (see below), whose sum is σ = 1565233152. Its totient is φ = 155399040.

The previous prime is 565223303. The next prime is 565223317. The reversal of 565223316 is 613322565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565223317) 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, 239655 + ... + 242001.

It is an arithmetic number, because the mean of its divisors is an integer number (16304512).

Almost surely, 2^565223316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565223316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782616576).

565223316 is an abundant number, since it is smaller than the sum of its proper divisors (1000009836).

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

565223316 is a wasteful number, since it uses less digits than its factorization.

565223316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2467 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 565223316 is about 23774.4256712965. The cubic root of 565223316 is about 826.8118445887.

The spelling of 565223316 in words is "five hundred sixty-five million, two hundred twenty-three thousand, three hundred sixteen".