3221322312 has 64 divisors (see below), whose sum is σ = 8753935680. Its totient is φ = 981902592.

The previous prime is 3221322283. The next prime is 3221322371. The reversal of 3221322312 is 2132231223.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 14863 + ... + 81630.

It is an arithmetic number, because the mean of its divisors is an integer number (136780245).

Almost surely, 2^3221322312 is an apocalyptic number.

It is an amenable number.

3221322312 is an abundant number, since it is smaller than the sum of its proper divisors (5532613368).

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

3221322312 is a wasteful number, since it uses less digits than its factorization.

3221322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96622 (or 96618 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 3221322312 is about 56756.6939840580. The cubic root of 3221322312 is about 1476.8783595419.

Adding to 3221322312 its reverse (2132231223), we get a palindrome (5353553535).

The spelling of 3221322312 in words is "three billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twelve".