9221666709317 has 8 divisors (see below), whose sum is σ = 9764535900672. Its totient is φ = 8678843985600.

The previous prime is 9221666709287. The next prime is 9221666709323. The reversal of 9221666709317 is 7139076661229.

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

It is a cyclic number.

It is not a de Polignac number, because 9221666709317 - 2¹⁶ = 9221666643781 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 (9221666709817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207909 + ... + 12002522.

It is an arithmetic number, because the mean of its divisors is an integer number (1220566987584).

Almost surely, 2^{9221666709317} is an apocalyptic number.

It is an amenable number.

9221666709317 is a deficient number, since it is larger than the sum of its proper divisors (542869191355).

9221666709317 is a wasteful number, since it uses less digits than its factorization.

9221666709317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233819.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 9221666709317 in words is "nine trillion, two hundred twenty-one billion, six hundred sixty-six million, seven hundred nine thousand, three hundred seventeen".