22166562207217 has 8 divisors (see below), whose sum is σ = 22271448211200. Its totient is φ = 22061920409424.

The previous prime is 22166562207199. The next prime is 22166562207241. The reversal of 22166562207217 is 71270226566122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22166562207217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22166562237217) 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, 60869578 + ... + 61232659.

It is an arithmetic number, because the mean of its divisors is an integer number (2783931026400).

Almost surely, 2^{22166562207217} is an apocalyptic number.

It is an amenable number.

22166562207217 is a deficient number, since it is larger than the sum of its proper divisors (104886003983).

22166562207217 is a wasteful number, since it uses less digits than its factorization.

22166562207217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122103095.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 22166562207217 in words is "twenty-two trillion, one hundred sixty-six billion, five hundred sixty-two million, two hundred seven thousand, two hundred seventeen".