204022225 has 24 divisors (see below), whose sum is σ = 279794592. Its totient is φ = 146332800.

The previous prime is 204022223. The next prime is 204022237. The reversal of 204022225 is 522220402.

It is not a de Polignac number, because 204022225 - 2¹ = 204022223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14994 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (11658108).

Almost surely, 2^204022225 is an apocalyptic number.

204022225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204022225 is a deficient number, since it is larger than the sum of its proper divisors (75772367).

204022225 is a wasteful number, since it uses less digits than its factorization.

204022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257 (or 10252 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 204022225 is about 14283.6348665177. The cubic root of 204022225 is about 588.6979089119.

Adding to 204022225 its reverse (522220402), we get a palindrome (726242627).

The spelling of 204022225 in words is "two hundred four million, twenty-two thousand, two hundred twenty-five".