1320912322 has 16 divisors (see below), whose sum is σ = 2025378432. Its totient is φ = 645868080.

The previous prime is 1320912317. The next prime is 1320912323. The reversal of 1320912322 is 2232190231.

It is a super-2 number, since 2×1320912322² = 3489618724822863368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320912323) 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, 12247 + ... + 52837.

It is an arithmetic number, because the mean of its divisors is an integer number (126586152).

Almost surely, 2^1320912322 is an apocalyptic number.

1320912322 is a deficient number, since it is larger than the sum of its proper divisors (704466110).

1320912322 is a wasteful number, since it uses less digits than its factorization.

1320912322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40953.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1320912322 is about 36344.3574987920. The cubic root of 1320912322 is about 1097.2139749968.

The spelling of 1320912322 in words is "one billion, three hundred twenty million, nine hundred twelve thousand, three hundred twenty-two".