225105200 has 30 divisors (see below), whose sum is σ = 540816204. Its totient is φ = 90041920.

The previous prime is 225105157. The next prime is 225105203. The reversal of 225105200 is 2501522.

225105200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225105203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280982 + ... + 281781.

Almost surely, 2^225105200 is an apocalyptic number.

225105200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225105200 is an abundant number, since it is smaller than the sum of its proper divisors (315711004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225105200 is a wasteful number, since it uses less digits than its factorization.

225105200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562781 (or 562770 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 225105200 is about 15003.5062568721. The cubic root of 225105200 is about 608.3149770321.

Adding to 225105200 its reverse (2501522), we get a palindrome (227606722).

The spelling of 225105200 in words is "two hundred twenty-five million, one hundred five thousand, two hundred".