3221230331 has 8 divisors (see below), whose sum is σ = 3531909744. Its totient is φ = 2913524320.

The previous prime is 3221230321. The next prime is 3221230351. The reversal of 3221230331 is 1330321223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221230331 - 2⁶ = 3221230267 is a prime.

It is a super-2 number, since 2×3221230331² = 20752649690708739122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741080 + ... + 745413.

It is an arithmetic number, because the mean of its divisors is an integer number (441488718).

Almost surely, 2^3221230331 is an apocalyptic number.

3221230331 is a deficient number, since it is larger than the sum of its proper divisors (310679413).

3221230331 is a wasteful number, since it uses less digits than its factorization.

3221230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486701.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3221230331 is about 56755.8836685678. The cubic root of 3221230331 is about 1476.8643025772.

Adding to 3221230331 its reverse (1330321223), we get a palindrome (4551551554).

The spelling of 3221230331 in words is "three billion, two hundred twenty-one million, two hundred thirty thousand, three hundred thirty-one".