322325261 has 4 divisors (see below), whose sum is σ = 322576224. Its totient is φ = 322074300.

The previous prime is 322325257. The next prime is 322325279. The reversal of 322325261 is 162523223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162523223 = 1319 ⋅123217.

It is a cyclic number.

It is not a de Polignac number, because 322325261 - 2² = 322325257 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 322325261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322325221) 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, 123545 + ... + 126126.

It is an arithmetic number, because the mean of its divisors is an integer number (80644056).

Almost surely, 2^322325261 is an apocalyptic number.

It is an amenable number.

322325261 is a deficient number, since it is larger than the sum of its proper divisors (250963).

322325261 is a wasteful number, since it uses less digits than its factorization.

322325261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250962.

The product of its digits is 4320, while the sum is 26.

The square root of 322325261 is about 17953.4192008096. The cubic root of 322325261 is about 685.6431071186.

Adding to 322325261 its reverse (162523223), we get a palindrome (484848484).

The spelling of 322325261 in words is "three hundred twenty-two million, three hundred twenty-five thousand, two hundred sixty-one".