226412666 has 4 divisors (see below), whose sum is σ = 339619002. Its totient is φ = 113206332.

The previous prime is 226412651. The next prime is 226412687. The reversal of 226412666 is 666214622.

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

It can be written as a sum of positive squares in only one way, i.e., 210975625 + 15437041 = 14525^2 + 3929^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 56603165 + ... + 56603168.

Almost surely, 2^226412666 is an apocalyptic number.

226412666 is a deficient number, since it is larger than the sum of its proper divisors (113206336).

226412666 is a wasteful number, since it uses less digits than its factorization.

226412666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113206335.

The product of its digits is 41472, while the sum is 35.

The square root of 226412666 is about 15047.0151857436. The cubic root of 226412666 is about 609.4904514841.

The spelling of 226412666 in words is "two hundred twenty-six million, four hundred twelve thousand, six hundred sixty-six".