3204330221 has 24 divisors (see below), whose sum is σ = 3696516864. Its totient is φ = 2764782720.

The previous prime is 3204330211. The next prime is 3204330247. The reversal of 3204330221 is 1220334023.

It is not a de Polignac number, because 3204330221 - 2¹⁰ = 3204329197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3204330193 and 3204330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204330211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181826 + ... + 198668.

It is an arithmetic number, because the mean of its divisors is an integer number (154021536).

Almost surely, 2^3204330221 is an apocalyptic number.

3204330221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3204330221 is a deficient number, since it is larger than the sum of its proper divisors (492186643).

3204330221 is a wasteful number, since it uses less digits than its factorization.

3204330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929 (or 16910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3204330221 is about 56606.8036635173. The cubic root of 3204330221 is about 1474.2769944678.

Adding to 3204330221 its reverse (1220334023), we get a palindrome (4424664244).

The spelling of 3204330221 in words is "three billion, two hundred four million, three hundred thirty thousand, two hundred twenty-one".