3331152221 has 2 divisors, whose sum is σ = 3331152222. Its totient is φ = 3331152220.

The previous prime is 3331152179. The next prime is 3331152229. The reversal of 3331152221 is 1222511333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2483527225 + 847624996 = 49835^2 + 29114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3331152221 is a prime.

It is a super-2 number, since 2×3331152221² = 22193150238946465682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331152229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665576110 + 1665576111.

It is an arithmetic number, because the mean of its divisors is an integer number (1665576111).

Almost surely, 2^3331152221 is an apocalyptic number.

It is an amenable number.

3331152221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331152221 is an equidigital number, since it uses as much as digits as its factorization.

3331152221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 3331152221 is about 57716.1348411343. The cubic root of 3331152221 is about 1493.4756961905.

Adding to 3331152221 its reverse (1222511333), we get a palindrome (4553663554).

The spelling of 3331152221 in words is "three billion, three hundred thirty-one million, one hundred fifty-two thousand, two hundred twenty-one".