3382818221 has 2 divisors, whose sum is σ = 3382818222. Its totient is φ = 3382818220.

The previous prime is 3382818211. The next prime is 3382818247. The reversal of 3382818221 is 1228182833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990408996 + 1392409225 = 44614^2 + 37315^2 .

It is a cyclic number.

It is not a de Polignac number, because 3382818221 - 2¹⁰ = 3382817197 is a prime.

It is a super-2 number, since 2×3382818221² = 22886918232659209682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3382818211) 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, 1691409110 + 1691409111.

It is an arithmetic number, because the mean of its divisors is an integer number (1691409111).

Almost surely, 2^3382818221 is an apocalyptic number.

It is an amenable number.

3382818221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3382818221 is an equidigital number, since it uses as much as digits as its factorization.

3382818221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 38.

The square root of 3382818221 is about 58161.9998022764. Note that the first 3 decimals coincide. The cubic root of 3382818221 is about 1501.1573617425.

The spelling of 3382818221 in words is "three billion, three hundred eighty-two million, eight hundred eighteen thousand, two hundred twenty-one".