322316661 has 4 divisors (see below), whose sum is σ = 429755552. Its totient is φ = 214877772.

The previous prime is 322316633. The next prime is 322316671. The reversal of 322316661 is 166613223.

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.

It is not a de Polignac number, because 322316661 - 2²³ = 313928053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322316671) 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, 53719441 + ... + 53719446.

It is an arithmetic number, because the mean of its divisors is an integer number (107438888).

Almost surely, 2^322316661 is an apocalyptic number.

It is an amenable number.

322316661 is a deficient number, since it is larger than the sum of its proper divisors (107438891).

322316661 is a wasteful number, since it uses less digits than its factorization.

322316661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107438890.

The product of its digits is 7776, while the sum is 30.

The square root of 322316661 is about 17953.1796905172. The cubic root of 322316661 is about 685.6370091550.

Adding to 322316661 its reverse (166613223), we get a palindrome (488929884).

The spelling of 322316661 in words is "three hundred twenty-two million, three hundred sixteen thousand, six hundred sixty-one".