3221312322 has 16 divisors (see below), whose sum is σ = 6444069120. Its totient is φ = 1073530032.

The previous prime is 3221312321. The next prime is 3221312329. The reversal of 3221312322 is 2232131223.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3221312321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30033 + ... + 85700.

It is an arithmetic number, because the mean of its divisors is an integer number (402754320).

Almost surely, 2^3221312322 is an apocalyptic number.

3221312322 is an abundant number, since it is smaller than the sum of its proper divisors (3222756798).

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

3221312322 is a wasteful number, since it uses less digits than its factorization.

3221312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120377.

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

The square root of 3221312322 is about 56756.6059767495. The cubic root of 3221312322 is about 1476.8768328365.

Adding to 3221312322 its reverse (2232131223), we get a palindrome (5453443545).

The spelling of 3221312322 in words is "three billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".