225415208 has 8 divisors (see below), whose sum is σ = 422653530. Its totient is φ = 112707600.

The previous prime is 225415207. The next prime is 225415217. The reversal of 225415208 is 802514522.

It can be written as a sum of positive squares in only one way, i.e., 128550244 + 96864964 = 11338^2 + 9842^2 .

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 (225415207) 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, 14088443 + ... + 14088458.

Almost surely, 2^225415208 is an apocalyptic number.

It is an amenable number.

225415208 is a deficient number, since it is larger than the sum of its proper divisors (197238322).

225415208 is a wasteful number, since it uses less digits than its factorization.

225415208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28176907 (or 28176903 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 225415208 is about 15013.8338874519. The cubic root of 225415208 is about 608.5940998682.

The spelling of 225415208 in words is "two hundred twenty-five million, four hundred fifteen thousand, two hundred eight".