225232424 has 16 divisors (see below), whose sum is σ = 426493620. Its totient is φ = 111500800.

The previous prime is 225232421. The next prime is 225232451. The reversal of 225232424 is 424232522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148108900 + 77123524 = 12170^2 + 8782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225232393 and 225232402.

It is not an unprimeable number, because it can be changed into a prime (225232421) 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 3 ways as a sum of consecutive naturals, for example, 138569 + ... + 140184.

Almost surely, 2^225232424 is an apocalyptic number.

It is an amenable number.

225232424 is a deficient number, since it is larger than the sum of its proper divisors (201261196).

225232424 is a wasteful number, since it uses less digits than its factorization.

225232424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278860 (or 278856 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 225232424 is about 15007.7454669247. The cubic root of 225232424 is about 608.4295570731.

Adding to 225232424 its reverse (424232522), we get a palindrome (649464946).

The spelling of 225232424 in words is "two hundred twenty-five million, two hundred thirty-two thousand, four hundred twenty-four".