1322314144 has 48 divisors (see below), whose sum is σ = 2654503488. Its totient is φ = 648248832.

The previous prime is 1322314127. The next prime is 1322314157. The reversal of 1322314144 is 4414132231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498229 + ... + 500875.

It is an arithmetic number, because the mean of its divisors is an integer number (55302156).

Almost surely, 2^1322314144 is an apocalyptic number.

It is an amenable number.

1322314144 is an abundant number, since it is smaller than the sum of its proper divisors (1332189344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322314144 is a wasteful number, since it uses less digits than its factorization.

1322314144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2949 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1322314144 is about 36363.6376618182. The cubic root of 1322314144 is about 1097.6019782680.

Adding to 1322314144 its reverse (4414132231), we get a palindrome (5736446375).

The spelling of 1322314144 in words is "one billion, three hundred twenty-two million, three hundred fourteen thousand, one hundred forty-four".