1322044399 has 8 divisors (see below), whose sum is σ = 1447080992. Its totient is φ = 1200342240.

The previous prime is 1322044357. The next prime is 1322044433. The reversal of 1322044399 is 9934402231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322044399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322044309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832779 + ... + 834364.

It is an arithmetic number, because the mean of its divisors is an integer number (180885124).

Almost surely, 2^1322044399 is an apocalyptic number.

1322044399 is a deficient number, since it is larger than the sum of its proper divisors (125036593).

1322044399 is a wasteful number, since it uses less digits than its factorization.

1322044399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667217.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1322044399 is about 36359.9284790276. The cubic root of 1322044399 is about 1097.5273382182.

The spelling of 1322044399 in words is "one billion, three hundred twenty-two million, forty-four thousand, three hundred ninety-nine".