4220342171 has 2 divisors, whose sum is σ = 4220342172. Its totient is φ = 4220342170.

The previous prime is 4220342167. The next prime is 4220342209. The reversal of 4220342171 is 1712430224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4220342171 - 2² = 4220342167 is a prime.

It is a super-2 number, since 2×4220342171² = 35622576080641986482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4220342171.

It is not a weakly prime, because it can be changed into another prime (4220342101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110171085 + 2110171086.

It is an arithmetic number, because the mean of its divisors is an integer number (2110171086).

Almost surely, 2^4220342171 is an apocalyptic number.

4220342171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220342171 is an equidigital number, since it uses as much as digits as its factorization.

4220342171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4220342171 is about 64964.1606657086. The cubic root of 4220342171 is about 1616.0292647535.

Adding to 4220342171 its reverse (1712430224), we get a palindrome (5932772395).

The spelling of 4220342171 in words is "four billion, two hundred twenty million, three hundred forty-two thousand, one hundred seventy-one".