1322976385 has 4 divisors (see below), whose sum is σ = 1587571668. Its totient is φ = 1058381104.

The previous prime is 1322976377. The next prime is 1322976401. The reversal of 1322976385 is 5836792231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5836792231 = 12451 ⋅468781.

It can be written as a sum of positive squares in 2 ways, for example, as 564965361 + 758011024 = 23769^2 + 27532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322976385 - 2³ = 1322976377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132297634 + ... + 132297643.

It is an arithmetic number, because the mean of its divisors is an integer number (396892917).

Almost surely, 2^1322976385 is an apocalyptic number.

It is an amenable number.

1322976385 is a deficient number, since it is larger than the sum of its proper divisors (264595283).

1322976385 is an equidigital number, since it uses as much as digits as its factorization.

1322976385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264595282.

The product of its digits is 544320, while the sum is 46.

The square root of 1322976385 is about 36372.7423354357. The cubic root of 1322976385 is about 1097.7851812595.

The spelling of 1322976385 in words is "one billion, three hundred twenty-two million, nine hundred seventy-six thousand, three hundred eighty-five".