4222444220 has 12 divisors (see below), whose sum is σ = 8867132904. Its totient is φ = 1688977680.

The previous prime is 4222444189. The next prime is 4222444313. The reversal of 4222444220 is 224442224.

It is a super-2 number, since 2×4222444220² = 35658070382022816800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4222444220.

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, 105561086 + ... + 105561125.

It is an arithmetic number, because the mean of its divisors is an integer number (738927742).

Almost surely, 2^4222444220 is an apocalyptic number.

It is an amenable number.

4222444220 is an abundant number, since it is smaller than the sum of its proper divisors (4644688684).

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

4222444220 is a wasteful number, since it uses less digits than its factorization.

4222444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211122220 (or 211122218 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4222444220 is about 64980.3371797962. The cubic root of 4222444220 is about 1616.2975217443.

Adding to 4222444220 its reverse (224442224), we get a palindrome (4446886444).

The spelling of 4222444220 in words is "four billion, two hundred twenty-two million, four hundred forty-four thousand, two hundred twenty".