3204221213 has 4 divisors (see below), whose sum is σ = 3205794720. Its totient is φ = 3202647708.

The previous prime is 3204221203. The next prime is 3204221219. The reversal of 3204221213 is 3121224023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3121224023 = 12251 ⋅254773.

It is a cyclic number.

It is not a de Polignac number, because 3204221213 - 2⁴ = 3204221197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783695 + ... + 787772.

It is an arithmetic number, because the mean of its divisors is an integer number (801448680).

Almost surely, 2^3204221213 is an apocalyptic number.

It is an amenable number.

3204221213 is a deficient number, since it is larger than the sum of its proper divisors (1573507).

3204221213 is a wasteful number, since it uses less digits than its factorization.

3204221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573506.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3204221213 is about 56605.8408028712. The cubic root of 3204221213 is about 1474.2602764853.

Adding to 3204221213 its reverse (3121224023), we get a palindrome (6325445236).

The spelling of 3204221213 in words is "three billion, two hundred four million, two hundred twenty-one thousand, two hundred thirteen".