3330000221 has 2 divisors, whose sum is σ = 3330000222. Its totient is φ = 3330000220.

The previous prime is 3330000169. The next prime is 3330000263. The reversal of 3330000221 is 1220000333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3327674596 + 2325625 = 57686^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3330000221 - 2³⁰ = 2256258397 is a prime.

It is a super-2 number, since 2×3330000221² = 22177802943720097682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3330000196 and 3330000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3330000521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665000110 + 1665000111.

It is an arithmetic number, because the mean of its divisors is an integer number (1665000111).

Almost surely, 2^3330000221 is an apocalyptic number.

It is an amenable number.

3330000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3330000221 is an equidigital number, since it uses as much as digits as its factorization.

3330000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3330000221 is about 57706.1540998878. The cubic root of 3330000221 is about 1493.3035152898.

Adding to 3330000221 its reverse (1220000333), we get a palindrome (4550000554).

The spelling of 3330000221 in words is "three billion, three hundred thirty million, two hundred twenty-one", and thus it is an aban number.