4431225 has 12 divisors (see below), whose sum is σ = 7326416. Its totient is φ = 2363280.

The previous prime is 4431187. The next prime is 4431227. The reversal of 4431225 is 5221344.

It is not a de Polignac number, because 4431225 - 2⁸ = 4430969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431227) 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 11 ways as a sum of consecutive naturals, for example, 29467 + ... + 29616.

Almost surely, 2^4431225 is an apocalyptic number.

It is an amenable number.

4431225 is a deficient number, since it is larger than the sum of its proper divisors (2895191).

4431225 is a wasteful number, since it uses less digits than its factorization.

4431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59096 (or 59091 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 4431225 is about 2105.0475054022. The cubic root of 4431225 is about 164.2509666362.

Adding to 4431225 its reverse (5221344), we get a palindrome (9652569).

It can be divided in two parts, 4431 and 225, that added together give a triangular number (4656 = T₉₆).

The spelling of 4431225 in words is "four million, four hundred thirty-one thousand, two hundred twenty-five".