2206550171 has 4 divisors (see below), whose sum is σ = 2521771632. Its totient is φ = 1891328712.

The previous prime is 2206550081. The next prime is 2206550189. The reversal of 2206550171 is 1710556022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2206550171 - 2²² = 2202355867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206553171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157610720 + ... + 157610733.

It is an arithmetic number, because the mean of its divisors is an integer number (630442908).

Almost surely, 2^2206550171 is an apocalyptic number.

2206550171 is a deficient number, since it is larger than the sum of its proper divisors (315221461).

2206550171 is an equidigital number, since it uses as much as digits as its factorization.

2206550171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315221460.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 2206550171 is about 46973.9307595181. The cubic root of 2206550171 is about 1301.8809401176.

The spelling of 2206550171 in words is "two billion, two hundred six million, five hundred fifty thousand, one hundred seventy-one".