226252666 has 8 divisors (see below), whose sum is σ = 339930900. Its totient is φ = 112942368.

The previous prime is 226252619. The next prime is 226252667. The reversal of 226252666 is 666252622.

It can be written as a sum of positive squares in 2 ways, for example, as 203490225 + 22762441 = 14265^2 + 4771^2 .

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 (226252667) 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, 90441 + ... + 92908.

Almost surely, 2^226252666 is an apocalyptic number.

226252666 is a deficient number, since it is larger than the sum of its proper divisors (113678234).

226252666 is a wasteful number, since it uses less digits than its factorization.

226252666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183968.

The product of its digits is 103680, while the sum is 37.

The square root of 226252666 is about 15041.6975770689. The cubic root of 226252666 is about 609.3468472499.

The spelling of 226252666 in words is "two hundred twenty-six million, two hundred fifty-two thousand, six hundred sixty-six".