4228171 has 4 divisors (see below), whose sum is σ = 4374000. Its totient is φ = 4082344.

The previous prime is 4228157. The next prime is 4228177. The reversal of 4228171 is 1718224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4228171 - 2⁹ = 4227659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4228177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72871 + ... + 72928.

It is an arithmetic number, because the mean of its divisors is an integer number (1093500).

Almost surely, 2^4228171 is an apocalyptic number.

4228171 is a deficient number, since it is larger than the sum of its proper divisors (145829).

4228171 is a wasteful number, since it uses less digits than its factorization.

4228171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145828.

The product of its digits is 896, while the sum is 25.

The square root of 4228171 is about 2056.2516869294. The cubic root of 4228171 is about 161.7027904303.

The spelling of 4228171 in words is "four million, two hundred twenty-eight thousand, one hundred seventy-one".