22172220709171 has 8 divisors (see below), whose sum is σ = 24701147740080. Its totient is φ = 19760918191392.

The previous prime is 22172220709169. The next prime is 22172220709181. The reversal of 22172220709171 is 17190702227122.

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 22172220709171 - 2¹ = 22172220709169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22172220709181) 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, 29406127885 + ... + 29406128638.

It is an arithmetic number, because the mean of its divisors is an integer number (3087643467510).

Almost surely, 2^{22172220709171} is an apocalyptic number.

22172220709171 is a deficient number, since it is larger than the sum of its proper divisors (2528927030909).

22172220709171 is a wasteful number, since it uses less digits than its factorization.

22172220709171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58812256565.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 22172220709171 in words is "twenty-two trillion, one hundred seventy-two billion, two hundred twenty million, seven hundred nine thousand, one hundred seventy-one".