225173576 has 8 divisors (see below), whose sum is σ = 422200470. Its totient is φ = 112586784.

The previous prime is 225173573. The next prime is 225173609. The reversal of 225173576 is 675371522.

It can be written as a sum of positive squares in only one way, i.e., 209380900 + 15792676 = 14470^2 + 3974^2 .

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

It is not an unprimeable number, because it can be changed into a prime (225173573) 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 as a sum of consecutive naturals, namely, 14073341 + ... + 14073356.

Almost surely, 2^225173576 is an apocalyptic number.

It is an amenable number.

225173576 is a deficient number, since it is larger than the sum of its proper divisors (197026894).

225173576 is a wasteful number, since it uses less digits than its factorization.

225173576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146703 (or 28146699 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 225173576 is about 15005.7847512218. The cubic root of 225173576 is about 608.3765629545.

The spelling of 225173576 in words is "two hundred twenty-five million, one hundred seventy-three thousand, five hundred seventy-six".