225609224 has 32 divisors (see below), whose sum is σ = 435115800. Its totient is φ = 109601280.

The previous prime is 225609221. The next prime is 225609247. The reversal of 225609224 is 422906522.

It can be written as a sum of positive squares in 4 ways, for example, as 71402500 + 154206724 = 8450^2 + 12418^2 .

It is not an unprimeable number, because it can be changed into a prime (225609221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86954 + ... + 89510.

Almost surely, 2^225609224 is an apocalyptic number.

It is an amenable number.

225609224 is a deficient number, since it is larger than the sum of its proper divisors (209506576).

225609224 is a wasteful number, since it uses less digits than its factorization.

225609224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 225609224 is about 15020.2937388055. The cubic root of 225609224 is about 608.7686564618.

The spelling of 225609224 in words is "two hundred twenty-five million, six hundred nine thousand, two hundred twenty-four".