1312224322 has 32 divisors (see below), whose sum is σ = 2203891200. Its totient is φ = 582329088.

The previous prime is 1312224317. The next prime is 1312224337. The reversal of 1312224322 is 2234222131.

It is a junction number, because it is equal to n+sod(n) for n = 1312224293 and 1312224302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139504 + ... + 148612.

It is an arithmetic number, because the mean of its divisors is an integer number (68871600).

Almost surely, 2^1312224322 is an apocalyptic number.

1312224322 is a deficient number, since it is larger than the sum of its proper divisors (891666878).

1312224322 is a wasteful number, since it uses less digits than its factorization.

1312224322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370.

The product of its digits is 1152, while the sum is 22.

The square root of 1312224322 is about 36224.6369478011. The cubic root of 1312224322 is about 1094.8031232820.

Adding to 1312224322 its reverse (2234222131), we get a palindrome (3546446453).

The spelling of 1312224322 in words is "one billion, three hundred twelve million, two hundred twenty-four thousand, three hundred twenty-two".