322321232000 has 64 divisors (see below), whose sum is σ = 801371202840. Its totient is φ = 128928486400.

The previous prime is 322321231993. The next prime is 322321232083. The reversal of 322321232000 is 232123223.

It can be written as a sum of positive squares in 4 ways, for example, as 190633531456 + 131687700544 = 436616^2 + 362888^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10056539 + ... + 10088538.

Almost surely, 2^322321232000 is an apocalyptic number.

It is an amenable number.

322321232000 is an abundant number, since it is smaller than the sum of its proper divisors (479049970840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322321232000 is an equidigital number, since it uses as much as digits as its factorization.

322321232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145106 (or 20145084 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 322321232000 its reverse (232123223), we get a palindrome (322553355223).

The spelling of 322321232000 in words is "three hundred twenty-two billion, three hundred twenty-one million, two hundred thirty-two thousand".