1321792322 has 16 divisors (see below), whose sum is σ = 2048626944. Its totient is φ = 638958000.

The previous prime is 1321792271. The next prime is 1321792331. The reversal of 1321792322 is 2232971231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57872 + ... + 77412.

It is an arithmetic number, because the mean of its divisors is an integer number (128039184).

Almost surely, 2^1321792322 is an apocalyptic number.

1321792322 is a deficient number, since it is larger than the sum of its proper divisors (726834622).

1321792322 is a wasteful number, since it uses less digits than its factorization.

1321792322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20665.

The product of its digits is 9072, while the sum is 32.

The square root of 1321792322 is about 36356.4619015657. The cubic root of 1321792322 is about 1097.4575778318.

The spelling of 1321792322 in words is "one billion, three hundred twenty-one million, seven hundred ninety-two thousand, three hundred twenty-two".