22206440476171 has 12 divisors (see below), whose sum is σ = 26098290874488. Its totient is φ = 18837864081792.

The previous prime is 22206440476111. The next prime is 22206440476223. The reversal of 22206440476171 is 17167404460222.

It is a de Polignac number, because none of the positive numbers 2^k-22206440476171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22206440476111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2336039901 + ... + 2336049406.

It is an arithmetic number, because the mean of its divisors is an integer number (2174857572874).

Almost surely, 2^{22206440476171} is an apocalyptic number.

22206440476171 is a deficient number, since it is larger than the sum of its proper divisors (3891850398317).

22206440476171 is an equidigital number, since it uses as much as digits as its factorization.

22206440476171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672089418 (or 4672089411 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 22206440476171 in words is "twenty-two trillion, two hundred six billion, four hundred forty million, four hundred seventy-six thousand, one hundred seventy-one".