3217225 has 12 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 2339600.

The previous prime is 3217219. The next prime is 3217241. The reversal of 3217225 is 5227123.

It is not a de Polignac number, because 3217225 - 2¹³ = 3209033 is a prime.

3217225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3217196 and 3217205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5575 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

Almost surely, 2^3217225 is an apocalyptic number.

It is an amenable number.

3217225 is a deficient number, since it is larger than the sum of its proper divisors (1135175).

3217225 is a wasteful number, since it uses less digits than its factorization.

3217225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 11715 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 3217225 is about 1793.6624543096. The cubic root of 3217225 is about 147.6251929540.

The spelling of 3217225 in words is "three million, two hundred seventeen thousand, two hundred twenty-five".