1322330880 has 144 divisors (see below), whose sum is σ = 4548227040. Its totient is φ = 325484544.

The previous prime is 1322330861. The next prime is 1322330903. The reversal of 1322330880 is 880332231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36676 + ... + 63164.

It is an arithmetic number, because the mean of its divisors is an integer number (31584910).

Almost surely, 2^1322330880 is an apocalyptic number.

1322330880 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 1322330880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274113520).

1322330880 is an abundant number, since it is smaller than the sum of its proper divisors (3225896160).

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

1322330880 is a wasteful number, since it uses less digits than its factorization.

1322330880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26526 (or 26512 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1322330880 is about 36363.8677810818. The cubic root of 1322330880 is about 1097.6066088845.

The spelling of 1322330880 in words is "one billion, three hundred twenty-two million, three hundred thirty thousand, eight hundred eighty".