322145003320 has 64 divisors (see below), whose sum is σ = 829756224000. Its totient is φ = 110265267840.

The previous prime is 322145003311. The next prime is 322145003357. The reversal of 322145003320 is 23300541223.

It is a super-2 number, since 2×322145003320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 792646 + ... + 1128085.

It is an arithmetic number, because the mean of its divisors is an integer number (12964941000).

Almost surely, 2^322145003320 is an apocalyptic number.

It is an amenable number.

322145003320 is an abundant number, since it is smaller than the sum of its proper divisors (507611220680).

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

322145003320 is a wasteful number, since it uses less digits than its factorization.

322145003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921348 (or 1921344 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 322145003320 its reverse (23300541223), we get a palindrome (345445544543).

The spelling of 322145003320 in words is "three hundred twenty-two billion, one hundred forty-five million, three thousand, three hundred twenty".