3302220231221 has 2 divisors, whose sum is σ = 3302220231222. Its totient is φ = 3302220231220.

The previous prime is 3302220231131. The next prime is 3302220231269. The reversal of 3302220231221 is 1221320222033.

3302220231221 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., 3284395044100 + 17825187121 = 1812290^2 + 133511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3302220231221 - 2³⁸ = 3027342324277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3302220231281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651110115610 + 1651110115611.

It is an arithmetic number, because the mean of its divisors is an integer number (1651110115611).

Almost surely, 2^{3302220231221} is an apocalyptic number.

It is an amenable number.

3302220231221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3302220231221 is an equidigital number, since it uses as much as digits as its factorization.

3302220231221 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 23.

Adding to 3302220231221 its reverse (1221320222033), we get a palindrome (4523540453254).

The spelling of 3302220231221 in words is "three trillion, three hundred two billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-one".