3220412221 has 16 divisors (see below), whose sum is σ = 3681828864. Its totient is φ = 2790445824.

The previous prime is 3220412207. The next prime is 3220412231. The reversal of 3220412221 is 1222140223.

It is not a de Polignac number, because 3220412221 - 2⁷ = 3220412093 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 (3220412231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65620 + ... + 103666.

It is an arithmetic number, because the mean of its divisors is an integer number (230114304).

Almost surely, 2^3220412221 is an apocalyptic number.

It is an amenable number.

3220412221 is a deficient number, since it is larger than the sum of its proper divisors (461416643).

3220412221 is a wasteful number, since it uses less digits than its factorization.

3220412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3220412221 is about 56748.6759405010. The cubic root of 3220412221 is about 1476.7392634222.

Adding to 3220412221 its reverse (1222140223), we get a palindrome (4442552444).

The spelling of 3220412221 in words is "three billion, two hundred twenty million, four hundred twelve thousand, two hundred twenty-one".