225115544 has 8 divisors (see below), whose sum is σ = 422091660. Its totient is φ = 112557768.

The previous prime is 225115537. The next prime is 225115577. The reversal of 225115544 is 445511522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14069714 + ... + 14069729.

Almost surely, 2^225115544 is an apocalyptic number.

It is an amenable number.

225115544 is a deficient number, since it is larger than the sum of its proper divisors (196976116).

225115544 is a wasteful number, since it uses less digits than its factorization.

225115544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139449 (or 28139445 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 225115544 is about 15003.8509723337. The cubic root of 225115544 is about 608.3242946219.

The spelling of 225115544 in words is "two hundred twenty-five million, one hundred fifteen thousand, five hundred forty-four".