4020204222 has 12 divisors (see below), whose sum is σ = 8710442520. Its totient is φ = 1340068068.

The previous prime is 4020204197. The next prime is 4020204229. The reversal of 4020204222 is 2224020204.

4020204222 is a `hidden beast` number, since 40 + 202 + 0 + 422 + 2 = 666.

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: 223344679 = 4020204222 / (4 + 0 + 2 + 0 + 2 + 0 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4020204195 and 4020204204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020204229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111672322 + ... + 111672357.

It is an arithmetic number, because the mean of its divisors is an integer number (725870210).

Almost surely, 2^4020204222 is an apocalyptic number.

4020204222 is an abundant number, since it is smaller than the sum of its proper divisors (4690238298).

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

4020204222 is a wasteful number, since it uses less digits than its factorization.

4020204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223344687 (or 223344684 counting only the distinct ones).

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

The square root of 4020204222 is about 63405.0804115885. The cubic root of 4020204222 is about 1590.0692482004.

Adding to 4020204222 its reverse (2224020204), we get a palindrome (6244224426).

The spelling of 4020204222 in words is "four billion, twenty million, two hundred four thousand, two hundred twenty-two".