4160221 has 8 divisors (see below), whose sum is σ = 4716320. Its totient is φ = 3637872.

The previous prime is 4160179. The next prime is 4160227. The reversal of 4160221 is 1220614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4160221 - 2¹¹ = 4158173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4160195 and 4160204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8175 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (589540).

Almost surely, 2^4160221 is an apocalyptic number.

It is an amenable number.

4160221 is a deficient number, since it is larger than the sum of its proper divisors (556099).

4160221 is a wasteful number, since it uses less digits than its factorization.

4160221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4160221 is about 2039.6619817999. The cubic root of 4160221 is about 160.8318783072.

Adding to 4160221 its reverse (1220614), we get a palindrome (5380835).

The spelling of 4160221 in words is "four million, one hundred sixty thousand, two hundred twenty-one".