1322373449 has 4 divisors (see below), whose sum is σ = 1324469760. Its totient is φ = 1320277140.

The previous prime is 1322373391. The next prime is 1322373473. The reversal of 1322373449 is 9443732231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322373449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322373649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047209 + ... + 1048470.

It is an arithmetic number, because the mean of its divisors is an integer number (331117440).

Almost surely, 2^1322373449 is an apocalyptic number.

It is an amenable number.

1322373449 is a deficient number, since it is larger than the sum of its proper divisors (2096311).

1322373449 is an equidigital number, since it uses as much as digits as its factorization.

1322373449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096310.

The product of its digits is 108864, while the sum is 38.

The square root of 1322373449 is about 36364.4530963962. The cubic root of 1322373449 is about 1097.6183869538.

The spelling of 1322373449 in words is "one billion, three hundred twenty-two million, three hundred seventy-three thousand, four hundred forty-nine".