3380221 has 4 divisors (see below), whose sum is σ = 3640252. Its totient is φ = 3120192.

The previous prime is 3380213. The next prime is 3380227. The reversal of 3380221 is 1220833.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 2722500 = 811^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 3380221 - 2³ = 3380213 is a prime.

It is a super-2 number, since 2×3380221² = 22851788017682, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3380227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129996 + ... + 130021.

It is an arithmetic number, because the mean of its divisors is an integer number (910063).

Almost surely, 2^3380221 is an apocalyptic number.

It is an amenable number.

3380221 is a deficient number, since it is larger than the sum of its proper divisors (260031).

3380221 is a wasteful number, since it uses less digits than its factorization.

3380221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260030.

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

The square root of 3380221 is about 1838.5377341790. The cubic root of 3380221 is about 150.0773082975.

The spelling of 3380221 in words is "three million, three hundred eighty thousand, two hundred twenty-one".