1322985288 has 64 divisors (see below), whose sum is σ = 3505930560. Its totient is φ = 414590976.

The previous prime is 1322985259. The next prime is 1322985319. The reversal of 1322985288 is 8825892231.

It is a happy number.

1322985288 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 662820 + ... + 664812.

It is an arithmetic number, because the mean of its divisors is an integer number (54780165).

Almost surely, 2^1322985288 is an apocalyptic number.

It is an amenable number.

1322985288 is an abundant number, since it is smaller than the sum of its proper divisors (2182945272).

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

1322985288 is a wasteful number, since it uses less digits than its factorization.

1322985288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646 (or 3642 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 1322985288 is about 36372.8647208328. The cubic root of 1322985288 is about 1097.7876437775.

The spelling of 1322985288 in words is "one billion, three hundred twenty-two million, nine hundred eighty-five thousand, two hundred eighty-eight".