1322320604 has 24 divisors (see below), whose sum is σ = 2529491328. Its totient is φ = 599849840.

The previous prime is 1322320603. The next prime is 1322320609. The reversal of 1322320604 is 4060232231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322320604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322320603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7742 + ... + 52005.

It is an arithmetic number, because the mean of its divisors is an integer number (105395472).

Almost surely, 2^1322320604 is an apocalyptic number.

It is an amenable number.

1322320604 is a deficient number, since it is larger than the sum of its proper divisors (1207170724).

1322320604 is a wasteful number, since it uses less digits than its factorization.

1322320604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60265 (or 60263 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1322320604 is about 36363.7264867065. The cubic root of 1322320604 is about 1097.6037656640.

Adding to 1322320604 its reverse (4060232231), we get a palindrome (5382552835).

The spelling of 1322320604 in words is "one billion, three hundred twenty-two million, three hundred twenty thousand, six hundred four".