3220003200221 has 2 divisors, whose sum is σ = 3220003200222. Its totient is φ = 3220003200220.

The previous prime is 3220003200209. The next prime is 3220003200247. The reversal of 3220003200221 is 1220023000223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3090514776196 + 129488424025 = 1757986^2 + 359845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220003200221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3220003200221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220003209221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610001600110 + 1610001600111.

It is an arithmetic number, because the mean of its divisors is an integer number (1610001600111).

Almost surely, 2^{3220003200221} is an apocalyptic number.

It is an amenable number.

3220003200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220003200221 is an equidigital number, since it uses as much as digits as its factorization.

3220003200221 is an evil number, because the sum of its binary digits is even.

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

Adding to 3220003200221 its reverse (1220023000223), we get a palindrome (4440026200444).

The spelling of 3220003200221 in words is "three trillion, two hundred twenty billion, three million, two hundred thousand, two hundred twenty-one".