3228321 has 4 divisors (see below), whose sum is σ = 4304432. Its totient is φ = 2152212.

The previous prime is 3228293. The next prime is 3228341. The reversal of 3228321 is 1238223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3228321 - 2¹⁴ = 3211937 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228341) 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, 538051 + ... + 538056.

It is an arithmetic number, because the mean of its divisors is an integer number (1076108).

Almost surely, 2^3228321 is an apocalyptic number.

It is an amenable number.

3228321 is a deficient number, since it is larger than the sum of its proper divisors (1076111).

3228321 is a wasteful number, since it uses less digits than its factorization.

3228321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076110.

The product of its digits is 576, while the sum is 21.

The square root of 3228321 is about 1796.7529045475. The cubic root of 3228321 is about 147.7947147795.

The spelling of 3228321 in words is "three million, two hundred twenty-eight thousand, three hundred twenty-one".