225005200 has 240 divisors, whose sum is σ = 680849280. Its totient is φ = 69672960.

The previous prime is 225005191. The next prime is 225005213. The reversal of 225005200 is 2500522.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 1380319 + ... + 1380481.

It is an arithmetic number, because the mean of its divisors is an integer number (2836872).

Almost surely, 2^225005200 is an apocalyptic number.

225005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340424640).

225005200 is an abundant number, since it is smaller than the sum of its proper divisors (455844080).

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

225005200 is a wasteful number, since it uses less digits than its factorization.

225005200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 225005200 is about 15000.1733323319. The cubic root of 225005200 is about 608.2248850694.

Adding to 225005200 its reverse (2500522), we get a palindrome (227505722).

The spelling of 225005200 in words is "two hundred twenty-five million, five thousand, two hundred".