1321144322 has 8 divisors (see below), whose sum is σ = 1990603776. Its totient is φ = 657609732.

The previous prime is 1321144289. The next prime is 1321144339. The reversal of 1321144322 is 2234411231.

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

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, 1480658 + ... + 1481549.

It is an arithmetic number, because the mean of its divisors is an integer number (248825472).

Almost surely, 2^1321144322 is an apocalyptic number.

1321144322 is a deficient number, since it is larger than the sum of its proper divisors (669459454).

1321144322 is a wasteful number, since it uses less digits than its factorization.

1321144322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962432.

The product of its digits is 1152, while the sum is 23.

The square root of 1321144322 is about 36347.5490507957. The cubic root of 1321144322 is about 1097.2782080617.

Adding to 1321144322 its reverse (2234411231), we get a palindrome (3555555553).

The spelling of 1321144322 in words is "one billion, three hundred twenty-one million, one hundred forty-four thousand, three hundred twenty-two".