3282221 has 4 divisors (see below), whose sum is σ = 3287772. Its totient is φ = 3276672.

The previous prime is 3282211. The next prime is 3282281. The reversal of 3282221 is 1222823.

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 990025 + 2292196 = 995^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3282221 - 2¹⁴ = 3265837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3282193 and 3282202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3282211) 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, 1766 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (821943).

Almost surely, 2^3282221 is an apocalyptic number.

It is an amenable number.

3282221 is a deficient number, since it is larger than the sum of its proper divisors (5551).

3282221 is an equidigital number, since it uses as much as digits as its factorization.

3282221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550.

The product of its digits is 384, while the sum is 20.

The square root of 3282221 is about 1811.6900949114. The cubic root of 3282221 is about 148.6127052737.

The spelling of 3282221 in words is "three million, two hundred eighty-two thousand, two hundred twenty-one".