225562266 has 16 divisors (see below), whose sum is σ = 501249600. Its totient is φ = 75187404.

The previous prime is 225562247. The next prime is 225562291. The reversal of 225562266 is 662265522.

225562266 is a `hidden beast` number, since 2 + 25 + 5 + 622 + 6 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225562266.

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, 2088486 + ... + 2088593.

It is an arithmetic number, because the mean of its divisors is an integer number (31328100).

Almost surely, 2^225562266 is an apocalyptic number.

225562266 is an abundant number, since it is smaller than the sum of its proper divisors (275687334).

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

225562266 is a wasteful number, since it uses less digits than its factorization.

225562266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177090 (or 4177084 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 225562266 is about 15018.7305056053. The cubic root of 225562266 is about 608.7264174351.

The spelling of 225562266 in words is "two hundred twenty-five million, five hundred sixty-two thousand, two hundred sixty-six".