322428265 has 4 divisors (see below), whose sum is σ = 386913924. Its totient is φ = 257942608.

The previous prime is 322428263. The next prime is 322428289. The reversal of 322428265 is 562824223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140825689 + 181602576 = 11867^2 + 13476^2 .

It is a cyclic number.

It is not a de Polignac number, because 322428265 - 2¹ = 322428263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322428265.

It is not an unprimeable number, because it can be changed into a prime (322428263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32242822 + ... + 32242831.

It is an arithmetic number, because the mean of its divisors is an integer number (96728481).

Almost surely, 2^322428265 is an apocalyptic number.

It is an amenable number.

322428265 is a deficient number, since it is larger than the sum of its proper divisors (64485659).

322428265 is an equidigital number, since it uses as much as digits as its factorization.

322428265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64485658.

The product of its digits is 46080, while the sum is 34.

The square root of 322428265 is about 17956.2876174336. The cubic root of 322428265 is about 685.7161352773.

The spelling of 322428265 in words is "three hundred twenty-two million, four hundred twenty-eight thousand, two hundred sixty-five".