3221232163 has 4 divisors (see below), whose sum is σ = 3254440840. Its totient is φ = 3188023488.

The previous prime is 3221232151. The next prime is 3221232167. The reversal of 3221232163 is 3612321223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3612321223 = 7 ⋅516045889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221232163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221232167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16604193 + ... + 16604386.

It is an arithmetic number, because the mean of its divisors is an integer number (813610210).

Almost surely, 2^3221232163 is an apocalyptic number.

3221232163 is a deficient number, since it is larger than the sum of its proper divisors (33208677).

3221232163 is an equidigital number, since it uses as much as digits as its factorization.

3221232163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33208676.

The product of its digits is 2592, while the sum is 25.

The square root of 3221232163 is about 56755.8998078614. The cubic root of 3221232163 is about 1476.8645825546.

Adding to 3221232163 its reverse (3612321223), we get a palindrome (6833553386).

The spelling of 3221232163 in words is "three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred sixty-three".