22171603106173 has 4 divisors (see below), whose sum is σ = 22185230399200. Its totient is φ = 22157975813148.

The previous prime is 22171603106153. The next prime is 22171603106179. The reversal of 22171603106173 is 37160130617122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22171603106173 - 2¹⁷ = 22171602975101 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 (22171603106179) 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, 6813644073 + ... + 6813647326.

It is an arithmetic number, because the mean of its divisors is an integer number (5546307599800).

Almost surely, 2^{22171603106173} is an apocalyptic number.

It is an amenable number.

22171603106173 is a deficient number, since it is larger than the sum of its proper divisors (13627293027).

22171603106173 is a wasteful number, since it uses less digits than its factorization.

22171603106173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627293026.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 22171603106173 in words is "twenty-two trillion, one hundred seventy-one billion, six hundred three million, one hundred six thousand, one hundred seventy-three".