322320321352 has 32 divisors (see below), whose sum is σ = 606708646200. Its totient is φ = 160531571200.

The previous prime is 322320321313. The next prime is 322320321353. The reversal of 322320321352 is 253123023223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 176858938116 + 145461383236 = 420546^2 + 381394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 322320321352.

It is not an unprimeable number, because it can be changed into a prime (322320321353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16089102 + ... + 16109122.

Almost surely, 2^322320321352 is an apocalyptic number.

It is an amenable number.

322320321352 is a deficient number, since it is larger than the sum of its proper divisors (284388324848).

322320321352 is a wasteful number, since it uses less digits than its factorization.

322320321352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777 (or 27773 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 322320321352 its reverse (253123023223), we get a palindrome (575443344575).

The spelling of 322320321352 in words is "three hundred twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, three hundred fifty-two".