225626911 has 4 divisors (see below), whose sum is σ = 226485072. Its totient is φ = 224768752.

The previous prime is 225626909. The next prime is 225626917. The reversal of 225626911 is 119626522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225626911 - 2¹ = 225626909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225626917) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 428686 + ... + 429211.

It is an arithmetic number, because the mean of its divisors is an integer number (56621268).

Almost surely, 2^225626911 is an apocalyptic number.

225626911 is a deficient number, since it is larger than the sum of its proper divisors (858161).

225626911 is an equidigital number, since it uses as much as digits as its factorization.

225626911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858160.

The product of its digits is 12960, while the sum is 34.

The square root of 225626911 is about 15020.8824973768. The cubic root of 225626911 is about 608.7845645139.

The spelling of 225626911 in words is "two hundred twenty-five million, six hundred twenty-six thousand, nine hundred eleven".