3305221 has 8 divisors (see below), whose sum is σ = 3528320. Its totient is φ = 3087072.

The previous prime is 3305209. The next prime is 3305227. The reversal of 3305221 is 1225033.

3305221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3305221 - 2¹¹ = 3303173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3305195 and 3305204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 2578.

It is an arithmetic number, because the mean of its divisors is an integer number (441040).

Almost surely, 2^3305221 is an apocalyptic number.

It is an amenable number.

3305221 is a deficient number, since it is larger than the sum of its proper divisors (223099).

3305221 is a wasteful number, since it uses less digits than its factorization.

3305221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3305221 is about 1818.0266774720. The cubic root of 3305221 is about 148.9590296195.

The spelling of 3305221 in words is "three million, three hundred five thousand, two hundred twenty-one".