1322956799 has 16 divisors (see below), whose sum is σ = 1392685056. Its totient is φ = 1255358400.

The previous prime is 1322956781. The next prime is 1322956801. The reversal of 1322956799 is 9976592231.

It is a cyclic number.

It is not a de Polignac number, because 1322956799 - 2⁸ = 1322956543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322956799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322956399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319754 + ... + 323864.

It is an arithmetic number, because the mean of its divisors is an integer number (87042816).

Almost surely, 2^1322956799 is an apocalyptic number.

1322956799 is a deficient number, since it is larger than the sum of its proper divisors (69728257).

1322956799 is a wasteful number, since it uses less digits than its factorization.

1322956799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its digits is 1837080, while the sum is 53.

The square root of 1322956799 is about 36372.4730943608. The cubic root of 1322956799 is about 1097.7797638469.

The spelling of 1322956799 in words is "one billion, three hundred twenty-two million, nine hundred fifty-six thousand, seven hundred ninety-nine".