3221232312 has 64 divisors (see below), whose sum is σ = 8102465280. Its totient is φ = 1067185152.

The previous prime is 3221232283. The next prime is 3221232323. The reversal of 3221232312 is 2132321223.

It is a happy number.

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

It is a congruent number.

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, 4430493 + ... + 4431219.

It is an arithmetic number, because the mean of its divisors is an integer number (126601020).

Almost surely, 2^3221232312 is an apocalyptic number.

It is an amenable number.

3221232312 is an abundant number, since it is smaller than the sum of its proper divisors (4881232968).

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

3221232312 is a wasteful number, since it uses less digits than its factorization.

3221232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1608 counting only the distinct ones).

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

The square root of 3221232312 is about 56755.9011205002. The cubic root of 3221232312 is about 1476.8646053257.

Adding to 3221232312 its reverse (2132321223), we get a palindrome (5353553535).

The spelling of 3221232312 in words is "three billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred twelve".