3220325 has 6 divisors (see below), whose sum is σ = 3993234. Its totient is φ = 2576240.

The previous prime is 3220319. The next prime is 3220351. The reversal of 3220325 is 5230223.

It can be written as a sum of positive squares in 3 ways, for example, as 5476 + 3214849 = 74^2 + 1793^2 .

It is not a de Polignac number, because 3220325 - 2⁴ = 3220309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64382 + ... + 64431.

It is an arithmetic number, because the mean of its divisors is an integer number (665539).

Almost surely, 2^3220325 is an apocalyptic number.

It is an amenable number.

3220325 is a deficient number, since it is larger than the sum of its proper divisors (772909).

3220325 is a wasteful number, since it uses less digits than its factorization.

3220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128823 (or 128818 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3220325 is about 1794.5263999173. The cubic root of 3220325 is about 147.6725931398.

Adding to 3220325 its reverse (5230223), we get a palindrome (8450548).

The spelling of 3220325 in words is "three million, two hundred twenty thousand, three hundred twenty-five".