1322981752 has 32 divisors (see below), whose sum is σ = 2629804320. Its totient is φ = 621798400.

The previous prime is 1322981747. The next prime is 1322981753. The reversal of 1322981752 is 2571892231.

It is a super-2 number, since 2×1322981752² = 3500561432249979008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322981753) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110877 + ... + 122227.

It is an arithmetic number, because the mean of its divisors is an integer number (82181385).

Almost surely, 2^1322981752 is an apocalyptic number.

It is an amenable number.

1322981752 is a deficient number, since it is larger than the sum of its proper divisors (1306822568).

1322981752 is a wasteful number, since it uses less digits than its factorization.

1322981752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231 (or 12227 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 1322981752 is about 36372.8161131359. The cubic root of 1322981752 is about 1097.7866657418.

The spelling of 1322981752 in words is "one billion, three hundred twenty-two million, nine hundred eighty-one thousand, seven hundred fifty-two".