225415203 has 32 divisors (see below), whose sum is σ = 342128640. Its totient is φ = 130965120.

The previous prime is 225415181. The next prime is 225415207. The reversal of 225415203 is 302514522.

225415203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225415203 - 2¹⁰ = 225414179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225415207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69273 + ... + 72453.

It is an arithmetic number, because the mean of its divisors is an integer number (10691520).

Almost surely, 2^225415203 is an apocalyptic number.

225415203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225415203 is a deficient number, since it is larger than the sum of its proper divisors (116713437).

225415203 is a wasteful number, since it uses less digits than its factorization.

225415203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225415203 is about 15013.8337209388. The cubic root of 225415203 is about 608.5940953684.

Adding to 225415203 its reverse (302514522), we get a palindrome (527929725).

The spelling of 225415203 in words is "two hundred twenty-five million, four hundred fifteen thousand, two hundred three".