3340323221 has 2 divisors, whose sum is σ = 3340323222. Its totient is φ = 3340323220.

The previous prime is 3340323209. The next prime is 3340323227. The reversal of 3340323221 is 1223230433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3283863025 + 56460196 = 57305^2 + 7514^2 .

It is an emirp because it is prime and its reverse (1223230433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3340323221 - 2³⁰ = 2266581397 is a prime.

It is a super-2 number, since 2×3340323221² = 22315518441503629682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340323227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670161610 + 1670161611.

It is an arithmetic number, because the mean of its divisors is an integer number (1670161611).

Almost surely, 2^3340323221 is an apocalyptic number.

It is an amenable number.

3340323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340323221 is an equidigital number, since it uses as much as digits as its factorization.

3340323221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3340323221 is about 57795.5294205356. The cubic root of 3340323221 is about 1494.8450037109.

Adding to 3340323221 its reverse (1223230433), we get a palindrome (4563553654).

The spelling of 3340323221 in words is "three billion, three hundred forty million, three hundred twenty-three thousand, two hundred twenty-one".