3221002231 has 8 divisors (see below), whose sum is σ = 3282630624. Its totient is φ = 3159405600.

The previous prime is 3221002229. The next prime is 3221002241. The reversal of 3221002231 is 1322001223.

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 3221002231 - 2¹ = 3221002229 is a prime.

It is a super-2 number, since 2×3221002231² = 20749710744213954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221002241) 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, 342565 + ... + 351841.

It is an arithmetic number, because the mean of its divisors is an integer number (410328828).

Almost surely, 2^3221002231 is an apocalyptic number.

3221002231 is a deficient number, since it is larger than the sum of its proper divisors (61628393).

3221002231 is an equidigital number, since it uses as much as digits as its factorization.

3221002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3221002231 is about 56753.8741497001. The cubic root of 3221002231 is about 1476.8294421187.

Adding to 3221002231 its reverse (1322001223), we get a palindrome (4543003454).

The spelling of 3221002231 in words is "three billion, two hundred twenty-one million, two thousand, two hundred thirty-one".