225015446224 has 20 divisors (see below), whose sum is σ = 435975178144. Its totient is φ = 112505722848.

The previous prime is 225015446219. The next prime is 225015446267. The reversal of 225015446224 is 422644510522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284859 + ... + 1449445.

Almost surely, 2^225015446224 is an apocalyptic number.

It is an amenable number.

225015446224 is a deficient number, since it is larger than the sum of its proper divisors (210959731920).

225015446224 is a wasteful number, since it uses less digits than its factorization.

225015446224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250042 (or 250036 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 225015446224 its reverse (422644510522), we get a palindrome (647659956746).

The spelling of 225015446224 in words is "two hundred twenty-five billion, fifteen million, four hundred forty-six thousand, two hundred twenty-four".