3032220221 has 2 divisors, whose sum is σ = 3032220222. Its totient is φ = 3032220220.

The previous prime is 3032220209. The next prime is 3032220253. The reversal of 3032220221 is 1220222303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2437396900 + 594823321 = 49370^2 + 24389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3032220221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3032220221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3032220721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516110110 + 1516110111.

It is an arithmetic number, because the mean of its divisors is an integer number (1516110111).

Almost surely, 2^3032220221 is an apocalyptic number.

It is an amenable number.

3032220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3032220221 is an equidigital number, since it uses as much as digits as its factorization.

3032220221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3032220221 is about 55065.5992521647. The cubic root of 3032220221 is about 1447.3944839927.

Adding to 3032220221 its reverse (1220222303), we get a palindrome (4252442524).

The spelling of 3032220221 in words is "three billion, thirty-two million, two hundred twenty thousand, two hundred twenty-one".