322000321 has 4 divisors (see below), whose sum is σ = 322182100. Its totient is φ = 321818544.

The previous prime is 322000319. The next prime is 322000331. The reversal of 322000321 is 123000223.

It is a happy number.

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 241647025 + 80353296 = 15545^2 + 8964^2 .

It is a cyclic number.

It is not a de Polignac number, because 322000321 - 2¹ = 322000319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322000331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88206 + ... + 91783.

It is an arithmetic number, because the mean of its divisors is an integer number (80545525).

Almost surely, 2^322000321 is an apocalyptic number.

It is an amenable number.

322000321 is a deficient number, since it is larger than the sum of its proper divisors (181779).

322000321 is a wasteful number, since it uses less digits than its factorization.

322000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181778.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 322000321 is about 17944.3673892394. The cubic root of 322000321 is about 685.4126279445.

Adding to 322000321 its reverse (123000223), we get a palindrome (445000544).

The spelling of 322000321 in words is "three hundred twenty-two million, three hundred twenty-one", and thus it is an aban number.