2122205171 has 16 divisors (see below), whose sum is σ = 2303562240. Its totient is φ = 1948733280.

The previous prime is 2122205131. The next prime is 2122205207. The reversal of 2122205171 is 1715022212.

It is a cyclic number.

It is not a de Polignac number, because 2122205171 - 2¹⁴ = 2122188787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122205131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70886 + ... + 96276.

It is an arithmetic number, because the mean of its divisors is an integer number (143972640).

Almost surely, 2^2122205171 is an apocalyptic number.

2122205171 is a deficient number, since it is larger than the sum of its proper divisors (181357069).

2122205171 is a wasteful number, since it uses less digits than its factorization.

2122205171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25546.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2122205171 is about 46067.3981357749. The cubic root of 2122205171 is about 1285.0769172770.

Adding to 2122205171 its reverse (1715022212), we get a palindrome (3837227383).

The spelling of 2122205171 in words is "two billion, one hundred twenty-two million, two hundred five thousand, one hundred seventy-one".