1312244322 has 32 divisors (see below), whose sum is σ = 2753585664. Its totient is φ = 416361600.

The previous prime is 1312244317. The next prime is 1312244327. The reversal of 1312244322 is 2234422131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1312244317) and next prime (1312244327).

It is a junction number, because it is equal to n+sod(n) for n = 1312244292 and 1312244301.

It is not an unprimeable number, because it can be changed into a prime (1312244327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46483 + ... + 69174.

It is an arithmetic number, because the mean of its divisors is an integer number (86049552).

Almost surely, 2^1312244322 is an apocalyptic number.

1312244322 is an abundant number, since it is smaller than the sum of its proper divisors (1441341342).

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

1312244322 is a wasteful number, since it uses less digits than its factorization.

1312244322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115754.

The product of its digits is 2304, while the sum is 24.

The square root of 1312244322 is about 36224.9130019659. The cubic root of 1312244322 is about 1094.8086853267.

Adding to 1312244322 its reverse (2234422131), we get a palindrome (3546666453).

The spelling of 1312244322 in words is "one billion, three hundred twelve million, two hundred forty-four thousand, three hundred twenty-two".