4202220171 has 4 divisors (see below), whose sum is σ = 5602960232. Its totient is φ = 2801480112.

The previous prime is 4202220161. The next prime is 4202220179. The reversal of 4202220171 is 1710222024.

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

It is not a de Polignac number, because 4202220171 - 2²¹ = 4200123019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202220179) 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, 700370026 + ... + 700370031.

It is an arithmetic number, because the mean of its divisors is an integer number (1400740058).

Almost surely, 2^4202220171 is an apocalyptic number.

4202220171 is a deficient number, since it is larger than the sum of its proper divisors (1400740061).

4202220171 is a wasteful number, since it uses less digits than its factorization.

4202220171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400740060.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 4202220171 is about 64824.5337121680. The cubic root of 4202220171 is about 1613.7128886037.

Adding to 4202220171 its reverse (1710222024), we get a palindrome (5912442195).

The spelling of 4202220171 in words is "four billion, two hundred two million, two hundred twenty thousand, one hundred seventy-one".