1322508880 has 320 divisors, whose sum is σ = 4138449408. Its totient is φ = 380436480.

The previous prime is 1322508857. The next prime is 1322508883. The reversal of 1322508880 is 888052231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322508883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7644474 + ... + 7644646.

Almost surely, 2^1322508880 is an apocalyptic number.

1322508880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322508880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069224704).

1322508880 is an abundant number, since it is smaller than the sum of its proper divisors (2815940528).

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

1322508880 is a wasteful number, since it uses less digits than its factorization.

1322508880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1322508880 is about 36366.3151831472. The cubic root of 1322508880 is about 1097.6558565712.

The spelling of 1322508880 in words is "one billion, three hundred twenty-two million, five hundred eight thousand, eight hundred eighty".