66226317 has 8 divisors (see below), whose sum is σ = 88698624. Its totient is φ = 43952448.

The previous prime is 66226313. The next prime is 66226319. The reversal of 66226317 is 71362266.

66226317 is digitally balanced in base 2, 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 a de Polignac number, because 66226317 - 2² = 66226313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66226313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48828 + ... + 50165.

It is an arithmetic number, because the mean of its divisors is an integer number (11087328).

Almost surely, 2^66226317 is an apocalyptic number.

It is an amenable number.

66226317 is a deficient number, since it is larger than the sum of its proper divisors (22472307).

66226317 is a wasteful number, since it uses less digits than its factorization.

66226317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99219.

The product of its digits is 18144, while the sum is 33.

The square root of 66226317 is about 8137.9553328831. The cubic root of 66226317 is about 404.5853949418.

The spelling of 66226317 in words is "sixty-six million, two hundred twenty-six thousand, three hundred seventeen".