3317221 has 8 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 3154272.

The previous prime is 3317203. The next prime is 3317231. The reversal of 3317221 is 1227133.

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 3317221 - 2⁵ = 3317189 is a prime.

It is a super-2 number, since 2×3317221² = 22007910325682, 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 (3317201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5050 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

Almost surely, 2^3317221 is an apocalyptic number.

It is an amenable number.

3317221 is a deficient number, since it is larger than the sum of its proper divisors (164699).

3317221 is a wasteful number, since it uses less digits than its factorization.

3317221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its digits is 252, while the sum is 19.

The square root of 3317221 is about 1821.3239689852. The cubic root of 3317221 is about 149.1390830818.

The spelling of 3317221 in words is "three million, three hundred seventeen thousand, two hundred twenty-one".