3290221 has 8 divisors (see below), whose sum is σ = 3622464. Its totient is φ = 2963520.

The previous prime is 3290213. The next prime is 3290237. The reversal of 3290221 is 1220923.

It is a happy number.

3290221 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 3290221 - 2³ = 3290213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3290201) 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, 81 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (452808).

Almost surely, 2^3290221 is an apocalyptic number.

It is an amenable number.

3290221 is a deficient number, since it is larger than the sum of its proper divisors (332243).

3290221 is a wasteful number, since it uses less digits than its factorization.

3290221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3290221 is about 1813.8966343207. The cubic root of 3290221 is about 148.7333488882.

It can be divided in two parts, 32902 and 21, that added together give a palindrome (32923).

The spelling of 3290221 in words is "three million, two hundred ninety thousand, two hundred twenty-one".