3228305 has 4 divisors (see below), whose sum is σ = 3873972. Its totient is φ = 2582640.

The previous prime is 3228293. The next prime is 3228341. The reversal of 3228305 is 5038223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5038223 = 167 ⋅30169.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 2262016 = 983^2 + 1504^2 .

It is not a de Polignac number, because 3228305 - 2⁶ = 3228241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322826 + ... + 322835.

It is an arithmetic number, because the mean of its divisors is an integer number (968493).

Almost surely, 2^3228305 is an apocalyptic number.

It is an amenable number.

3228305 is a deficient number, since it is larger than the sum of its proper divisors (645667).

3228305 is an equidigital number, since it uses as much as digits as its factorization.

3228305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645666.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3228305 is about 1796.7484520656. The cubic root of 3228305 is about 147.7944706155.

The spelling of 3228305 in words is "three million, two hundred twenty-eight thousand, three hundred five".