225608211 has 6 divisors (see below), whose sum is σ = 325878540. Its totient is φ = 150405468.

The previous prime is 225608191. The next prime is 225608231. The reversal of 225608211 is 112806522.

It is a happy number.

225608211 is a `hidden beast` number, since 22 + 560 + 82 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (225608191) and next prime (225608231).

It is not a de Polignac number, because 225608211 - 2⁷ = 225608083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225608231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12533781 + ... + 12533798.

It is an arithmetic number, because the mean of its divisors is an integer number (54313090).

Almost surely, 2^225608211 is an apocalyptic number.

225608211 is a deficient number, since it is larger than the sum of its proper divisors (100270329).

225608211 is a wasteful number, since it uses less digits than its factorization.

225608211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25067585 (or 25067582 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 225608211 is about 15020.2600177227. The cubic root of 225608211 is about 608.7677453236.

The spelling of 225608211 in words is "two hundred twenty-five million, six hundred eight thousand, two hundred eleven".