4043122220 has 24 divisors (see below), whose sum is σ = 8492258544. Its totient is φ = 1616924736.

The previous prime is 4043122177. The next prime is 4043122289. The reversal of 4043122220 is 222213404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4043122192 and 4043122201.

It is an unprimeable number.

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, 99194 + ... + 133886.

It is an arithmetic number, because the mean of its divisors is an integer number (353844106).

Almost surely, 2^4043122220 is an apocalyptic number.

It is an amenable number.

4043122220 is an abundant number, since it is smaller than the sum of its proper divisors (4449136324).

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

4043122220 is a wasteful number, since it uses less digits than its factorization.

4043122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40529 (or 40527 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4043122220 is about 63585.5504025875. The cubic root of 4043122220 is about 1593.0850299426.

Adding to 4043122220 its reverse (222213404), we get a palindrome (4265335624).

The spelling of 4043122220 in words is "four billion, forty-three million, one hundred twenty-two thousand, two hundred twenty".