4021840022 has 8 divisors (see below), whose sum is σ = 6146585856. Its totient is φ = 1972978072.

The previous prime is 4021840013. The next prime is 4021840033. The reversal of 4021840022 is 2200481204.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4021840022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18970838 + ... + 18971049.

It is an arithmetic number, because the mean of its divisors is an integer number (768323232).

Almost surely, 2^4021840022 is an apocalyptic number.

4021840022 is a deficient number, since it is larger than the sum of its proper divisors (2124745834).

4021840022 is a wasteful number, since it uses less digits than its factorization.

4021840022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37941942.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4021840022 is about 63417.9786968964. The cubic root of 4021840022 is about 1590.2848825670.

The spelling of 4021840022 in words is "four billion, twenty-one million, eight hundred forty thousand, twenty-two".