225112424 has 8 divisors (see below), whose sum is σ = 422085810. Its totient is φ = 112556208.

The previous prime is 225112379. The next prime is 225112441. The reversal of 225112424 is 424211522.

It can be written as a sum of positive squares in only one way, i.e., 218507524 + 6604900 = 14782^2 + 2570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 225112424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14069519 + ... + 14069534.

Almost surely, 2^225112424 is an apocalyptic number.

It is an amenable number.

225112424 is a deficient number, since it is larger than the sum of its proper divisors (196973386).

225112424 is a wasteful number, since it uses less digits than its factorization.

225112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139059 (or 28139055 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 225112424 is about 15003.7469986667. The cubic root of 225112424 is about 608.3214842420.

Adding to 225112424 its reverse (424211522), we get a palindrome (649323946).

The spelling of 225112424 in words is "two hundred twenty-five million, one hundred twelve thousand, four hundred twenty-four".