3224220224221 has 2 divisors, whose sum is σ = 3224220224222. Its totient is φ = 3224220224220.

The previous prime is 3224220224201. The next prime is 3224220224233. The reversal of 3224220224221 is 1224220224223.

3224220224221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1723472721721 + 1500747502500 = 1312811^2 + 1225050^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224220224221 - 2³³ = 3215630289629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3224220224221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3224220224201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612110112110 + 1612110112111.

It is an arithmetic number, because the mean of its divisors is an integer number (1612110112111).

Almost surely, 2^{3224220224221} is an apocalyptic number.

It is an amenable number.

3224220224221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3224220224221 is an equidigital number, since it uses as much as digits as its factorization.

3224220224221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 3224220224221 its reverse (1224220224223), we get a palindrome (4448440448444).

The spelling of 3224220224221 in words is "three trillion, two hundred twenty-four billion, two hundred twenty million, two hundred twenty-four thousand, two hundred twenty-one".