322325128488 has 128 divisors (see below), whose sum is σ = 885165465600. Its totient is φ = 96997824000.

The previous prime is 322325128481. The next prime is 322325128501. The reversal of 322325128488 is 884821523223.

It is a super-2 number, since 2×322325128488² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322325128481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77498553 + ... + 77502711.

It is an arithmetic number, because the mean of its divisors is an integer number (6915355200).

Almost surely, 2^322325128488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322325128488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442582732800).

322325128488 is an abundant number, since it is smaller than the sum of its proper divisors (562840337112).

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

322325128488 is a wasteful number, since it uses less digits than its factorization.

322325128488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143 (or 6139 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The spelling of 322325128488 in words is "three hundred twenty-two billion, three hundred twenty-five million, one hundred twenty-eight thousand, four hundred eighty-eight".