225040210266 has 16 divisors (see below), whose sum is σ = 460547407584. Its totient is φ = 73268905584.

The previous prime is 225040210237. The next prime is 225040210289. The reversal of 225040210266 is 662012040522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436124181 + ... + 436124696.

It is an arithmetic number, because the mean of its divisors is an integer number (28784212974).

Almost surely, 2^225040210266 is an apocalyptic number.

225040210266 is an abundant number, since it is smaller than the sum of its proper divisors (235507197318).

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

225040210266 is a wasteful number, since it uses less digits than its factorization.

225040210266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872248925.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 225040210266 its reverse (662012040522), we get a palindrome (887052250788).

The spelling of 225040210266 in words is "two hundred twenty-five billion, forty million, two hundred ten thousand, two hundred sixty-six".