3220033220221 has 2 divisors, whose sum is σ = 3220033220222. Its totient is φ = 3220033220220.

The previous prime is 3220033220203. The next prime is 3220033220231. The reversal of 3220033220221 is 1220223300223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2243614536900 + 976418683321 = 1497870^2 + 988139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220033220221 - 2⁵ = 3220033220189 is a prime.

It is a super-2 number, since 2×3220033220221² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220033220192 and 3220033220201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220033220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610016610110 + 1610016610111.

It is an arithmetic number, because the mean of its divisors is an integer number (1610016610111).

Almost surely, 2^{3220033220221} is an apocalyptic number.

It is an amenable number.

3220033220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220033220221 is an equidigital number, since it uses as much as digits as its factorization.

3220033220221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 3220033220221 its reverse (1220223300223), we get a palindrome (4440256520444).

The spelling of 3220033220221 in words is "three trillion, two hundred twenty billion, thirty-three million, two hundred twenty thousand, two hundred twenty-one".