225112666 has 8 divisors (see below), whose sum is σ = 339082560. Its totient is φ = 112085148.

The previous prime is 225112663. The next prime is 225112709. The reversal of 225112666 is 666211522.

225112666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (225112663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234996 + ... + 235951.

It is an arithmetic number, because the mean of its divisors is an integer number (42385320).

Almost surely, 2^225112666 is an apocalyptic number.

225112666 is a deficient number, since it is larger than the sum of its proper divisors (113969894).

225112666 is a wasteful number, since it uses less digits than its factorization.

225112666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471188.

The product of its digits is 8640, while the sum is 31.

The square root of 225112666 is about 15003.7550633166. The cubic root of 225112666 is about 608.3217022275.

The spelling of 225112666 in words is "two hundred twenty-five million, one hundred twelve thousand, six hundred sixty-six".