3230003221 has 4 divisors (see below), whose sum is σ = 3290946732. Its totient is φ = 3169059712.

The previous prime is 3230003191. The next prime is 3230003239. The reversal of 3230003221 is 1223000323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1223000323 = 1097 ⋅1114859.

It can be written as a sum of positive squares in 2 ways, for example, as 1203743025 + 2026260196 = 34695^2 + 45014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3230003221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3230003195 and 3230003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230003251) 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, 30471676 + ... + 30471781.

It is an arithmetic number, because the mean of its divisors is an integer number (822736683).

Almost surely, 2^3230003221 is an apocalyptic number.

It is an amenable number.

3230003221 is a deficient number, since it is larger than the sum of its proper divisors (60943511).

3230003221 is an equidigital number, since it uses as much as digits as its factorization.

3230003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60943510.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3230003221 is about 56833.1172908895. The cubic root of 3230003221 is about 1478.2038139293.

Adding to 3230003221 its reverse (1223000323), we get a palindrome (4453003544).

It can be divided in two parts, 323000322 and 1, that added together give a palindrome (323000323).

The spelling of 3230003221 in words is "three billion, two hundred thirty million, three thousand, two hundred twenty-one".