225204203 has 16 divisors (see below), whose sum is σ = 260029440. Its totient is φ = 191054976.

The previous prime is 225204193. The next prime is 225204211. The reversal of 225204203 is 302402522.

It is a de Polignac number, because none of the positive numbers 2^k-225204203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225204503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379475 + ... + 380067.

It is an arithmetic number, because the mean of its divisors is an integer number (16251840).

Almost surely, 2^225204203 is an apocalyptic number.

225204203 is a deficient number, since it is larger than the sum of its proper divisors (34825237).

225204203 is a wasteful number, since it uses less digits than its factorization.

225204203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 225204203 is about 15006.8052229647. The cubic root of 225204203 is about 608.4041444979.

Adding to 225204203 its reverse (302402522), we get a palindrome (527606725).

The spelling of 225204203 in words is "two hundred twenty-five million, two hundred four thousand, two hundred three".