4222442020 has 12 divisors (see below), whose sum is σ = 8867128284. Its totient is φ = 1688976800.

The previous prime is 4222441999. The next prime is 4222442023. The reversal of 4222442020 is 202442224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1132860964 + 3089581056 = 33658^2 + 55584^2 .

It is a super-2 number, since 2×4222442020² = 35658033224523360800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4222441982 and 4222442000.

It is not an unprimeable number, because it can be changed into a prime (4222442023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105561031 + ... + 105561070.

It is an arithmetic number, because the mean of its divisors is an integer number (738927357).

Almost surely, 2^4222442020 is an apocalyptic number.

It is an amenable number.

4222442020 is an abundant number, since it is smaller than the sum of its proper divisors (4644686264).

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

4222442020 is a wasteful number, since it uses less digits than its factorization.

4222442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211122110 (or 211122108 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4222442020 is about 64980.3202515962. The cubic root of 4222442020 is about 1616.2972410336.

Adding to 4222442020 its reverse (202442224), we get a palindrome (4424884244).

It can be divided in two parts, 422 and 2442020, that added together give a palindrome (2442442).

The spelling of 4222442020 in words is "four billion, two hundred twenty-two million, four hundred forty-two thousand, twenty".