3231225 has 24 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 1722960.

The previous prime is 3231211. The next prime is 3231227. The reversal of 3231225 is 5221323.

It is not a de Polignac number, because 3231225 - 2⁷ = 3231097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3231198 and 3231207.

It is not an unprimeable number, because it can be changed into a prime (3231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1719 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (247380).

Almost surely, 2^3231225 is an apocalyptic number.

It is an amenable number.

3231225 is a deficient number, since it is larger than the sum of its proper divisors (2705895).

3231225 is a wasteful number, since it uses less digits than its factorization.

3231225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4795 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 3231225 is about 1797.5608473707. The cubic root of 3231225 is about 147.8390171918.

Adding to 3231225 its reverse (5221323), we get a palindrome (8452548).

The spelling of 3231225 in words is "three million, two hundred thirty-one thousand, two hundred twenty-five".