1322321403 has 12 divisors (see below), whose sum is σ = 1909151160. Its totient is φ = 813735936.

The previous prime is 1322321311. The next prime is 1322321411. The reversal of 1322321403 is 3041232231.

It is not a de Polignac number, because 1322321403 - 2¹⁰ = 1322320379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322321403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322329403) 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 11 ways as a sum of consecutive naturals, for example, 1303558 + ... + 1304571.

It is an arithmetic number, because the mean of its divisors is an integer number (159095930).

Almost surely, 2^1322321403 is an apocalyptic number.

1322321403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1322321403 is a deficient number, since it is larger than the sum of its proper divisors (586829757).

1322321403 is a wasteful number, since it uses less digits than its factorization.

1322321403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608158 (or 2608145 counting only the distinct ones).

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

The square root of 1322321403 is about 36363.7374729276. The cubic root of 1322321403 is about 1097.6039867363.

Adding to 1322321403 its reverse (3041232231), we get a palindrome (4363553634).

The spelling of 1322321403 in words is "one billion, three hundred twenty-two million, three hundred twenty-one thousand, four hundred three".