3221331223 has 16 divisors (see below), whose sum is σ = 3638338560. Its totient is φ = 2825183200.

The previous prime is 3221331199. The next prime is 3221331233.

3221331223 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221331223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221331194 and 3221331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221331233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470958 + ... + 477748.

It is an arithmetic number, because the mean of its divisors is an integer number (227396160).

Almost surely, 2^3221331223 is an apocalyptic number.

3221331223 is a deficient number, since it is larger than the sum of its proper divisors (417007337).

3221331223 is a wasteful number, since it uses less digits than its factorization.

3221331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318.

The product of its digits is 1296, while the sum is 22.

The square root of 3221331223 is about 56756.7724857572. The cubic root of 3221331223 is about 1476.8797213481.

It can be divided in two parts, 32213 and 31223, that added together give a palindrome (63436).

The spelling of 3221331223 in words is "three billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty-three".