1322316445 has 8 divisors (see below), whose sum is σ = 1586979000. Its totient is φ = 1057720320.

The previous prime is 1322316427. The next prime is 1322316449. The reversal of 1322316445 is 5446132231.

It can be written as a sum of positive squares in 4 ways, for example, as 254530116 + 1067786329 = 15954^2 + 32677^2 .

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

It is not a de Polignac number, because 1322316445 - 2⁹ = 1322315933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322316449) 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 7 ways as a sum of consecutive naturals, for example, 56265 + ... + 76225.

It is an arithmetic number, because the mean of its divisors is an integer number (198372375).

Almost surely, 2^1322316445 is an apocalyptic number.

It is an amenable number.

1322316445 is a deficient number, since it is larger than the sum of its proper divisors (264662555).

1322316445 is a wasteful number, since it uses less digits than its factorization.

1322316445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33215.

The product of its digits is 17280, while the sum is 31.

The square root of 1322316445 is about 36363.6693005533. The cubic root of 1322316445 is about 1097.6026149247.

Adding to 1322316445 its reverse (5446132231), we get a palindrome (6768448676).

The spelling of 1322316445 in words is "one billion, three hundred twenty-two million, three hundred sixteen thousand, four hundred forty-five".