225810266 has 16 divisors (see below), whose sum is σ = 373662720. Its totient is φ = 101486880.

The previous prime is 225810253. The next prime is 225810271. The reversal of 225810266 is 662018522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55706 + ... + 59621.

It is an arithmetic number, because the mean of its divisors is an integer number (23353920).

Almost surely, 2^225810266 is an apocalyptic number.

225810266 is a deficient number, since it is larger than the sum of its proper divisors (147852454).

225810266 is a wasteful number, since it uses less digits than its factorization.

225810266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115429.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 225810266 is about 15026.9845943889. The cubic root of 225810266 is about 608.9494288174.

Adding to 225810266 its reverse (662018522), we get a palindrome (887828788).

The spelling of 225810266 in words is "two hundred twenty-five million, eight hundred ten thousand, two hundred sixty-six".