1322403321 has 16 divisors (see below), whose sum is σ = 1791718400. Its totient is φ = 867377808.

The previous prime is 1322403319. The next prime is 1322403343. The reversal of 1322403321 is 1233042231.

It is not a de Polignac number, because 1322403321 - 2¹ = 1322403319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322403721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181140 + ... + 188298.

It is an arithmetic number, because the mean of its divisors is an integer number (111982400).

Almost surely, 2^1322403321 is an apocalyptic number.

It is an amenable number.

1322403321 is a deficient number, since it is larger than the sum of its proper divisors (469315079).

1322403321 is an equidigital number, since it uses as much as digits as its factorization.

1322403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1322403321 is about 36364.8638248516. The cubic root of 1322403321 is about 1097.6266518429.

Adding to 1322403321 its reverse (1233042231), we get a palindrome (2555445552).

The spelling of 1322403321 in words is "one billion, three hundred twenty-two million, four hundred three thousand, three hundred twenty-one".