4020404022 has 12 divisors (see below), whose sum is σ = 8710875420. Its totient is φ = 1340134668.

The previous prime is 4020404021. The next prime is 4020404027. The reversal of 4020404022 is 2204040204.

It is a super-2 number, since 2×4020404022² = 32327297000227552968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 223355779 = 4020404022 / (4 + 0 + 2 + 0 + 4 + 0 + 4 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4020403986 and 4020404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020404021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111677872 + ... + 111677907.

It is an arithmetic number, because the mean of its divisors is an integer number (725906285).

Almost surely, 2^4020404022 is an apocalyptic number.

4020404022 is an abundant number, since it is smaller than the sum of its proper divisors (4690471398).

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

4020404022 is a wasteful number, since it uses less digits than its factorization.

4020404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223355787 (or 223355784 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4020404022 is about 63406.6559755362. The cubic root of 4020404022 is about 1590.0955893641.

Adding to 4020404022 its reverse (2204040204), we get a palindrome (6224444226).

The spelling of 4020404022 in words is "four billion, twenty million, four hundred four thousand, twenty-two".