3005333220221 has 2 divisors, whose sum is σ = 3005333220222. Its totient is φ = 3005333220220.

The previous prime is 3005333220077. The next prime is 3005333220247. The reversal of 3005333220221 is 1220223335003.

It is an a-pointer prime, because the next prime (3005333220247) can be obtained adding 3005333220221 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1832000148196 + 1173333072025 = 1353514^2 + 1083205^2 .

It is a cyclic number.

It is not a de Polignac number, because 3005333220221 - 2¹⁴ = 3005333203837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3005333220271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502666610110 + 1502666610111.

It is an arithmetic number, because the mean of its divisors is an integer number (1502666610111).

Almost surely, 2^{3005333220221} is an apocalyptic number.

It is an amenable number.

3005333220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3005333220221 is an equidigital number, since it uses as much as digits as its factorization.

3005333220221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 3005333220221 its reverse (1220223335003), we get a palindrome (4225556555224).

The spelling of 3005333220221 in words is "three trillion, five billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty-one".