4143220 has 24 divisors (see below), whose sum is σ = 9080064. Its totient is φ = 1585056.

The previous prime is 4143193. The next prime is 4143221. The reversal of 4143220 is 223414.

It is a junction number, because it is equal to n+sod(n) for n = 4143194 and 4143203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (378336).

Almost surely, 2^4143220 is an apocalyptic number.

It is an amenable number.

4143220 is an abundant number, since it is smaller than the sum of its proper divisors (4936844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4143220 is a wasteful number, since it uses less digits than its factorization.

4143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4143220 is about 2035.4901129703. The cubic root of 4143220 is about 160.6124960617.

Adding to 4143220 its reverse (223414), we get a palindrome (4366634).

The spelling of 4143220 in words is "four million, one hundred forty-three thousand, two hundred twenty".