171868685222 has 8 divisors (see below), whose sum is σ = 277634030016. Its totient is φ = 79324008552.

The previous prime is 171868685189. The next prime is 171868685227. The reversal of 171868685222 is 222586868171.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171868685227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305166998 + ... + 3305167049.

It is an arithmetic number, because the mean of its divisors is an integer number (34704253752).

Almost surely, 2^171868685222 is an apocalyptic number.

171868685222 is a deficient number, since it is larger than the sum of its proper divisors (105765344794).

171868685222 is a wasteful number, since it uses less digits than its factorization.

171868685222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610334062.

The product of its digits is 5160960, while the sum is 56.

The spelling of 171868685222 in words is "one hundred seventy-one billion, eight hundred sixty-eight million, six hundred eighty-five thousand, two hundred twenty-two".