3340211221 has 8 divisors (see below), whose sum is σ = 3594673944. Its totient is φ = 3092190720.

The previous prime is 3340211197. The next prime is 3340211227. The reversal of 3340211221 is 1221120433.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16112196 + 3324099025 = 4014^2 + 57655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3340211221 - 2²⁵ = 3306656789 is a prime.

It is a super-2 number, since 2×3340211221² = 22314022001788621682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609480 + ... + 1611553.

It is an arithmetic number, because the mean of its divisors is an integer number (449334243).

Almost surely, 2^3340211221 is an apocalyptic number.

It is an amenable number.

3340211221 is a deficient number, since it is larger than the sum of its proper divisors (254462723).

3340211221 is a wasteful number, since it uses less digits than its factorization.

3340211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221111.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3340211221 is about 57794.5604793392. The cubic root of 3340211221 is about 1494.8282962946.

Adding to 3340211221 its reverse (1221120433), we get a palindrome (4561331654).

The spelling of 3340211221 in words is "three billion, three hundred forty million, two hundred eleven thousand, two hundred twenty-one".