4042020222 has 12 divisors (see below), whose sum is σ = 8757710520. Its totient is φ = 1347340068.

The previous prime is 4042020221. The next prime is 4042020277. The reversal of 4042020222 is 2220202404.

4042020222 is a `hidden beast` number, since 4 + 0 + 420 + 20 + 222 = 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: 224556679 = 4042020222 / (4 + 0 + 4 + 2 + 0 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4042020195 and 4042020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112278322 + ... + 112278357.

It is an arithmetic number, because the mean of its divisors is an integer number (729809210).

Almost surely, 2^4042020222 is an apocalyptic number.

4042020222 is an abundant number, since it is smaller than the sum of its proper divisors (4715690298).

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

4042020222 is a wasteful number, since it uses less digits than its factorization.

4042020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224556687 (or 224556684 counting only the distinct ones).

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

The square root of 4042020222 is about 63576.8843369978. The cubic root of 4042020222 is about 1592.9402791003.

Adding to 4042020222 its reverse (2220202404), we get a palindrome (6262222626).

The spelling of 4042020222 in words is "four billion, forty-two million, twenty thousand, two hundred twenty-two".