4222242220 has 24 divisors (see below), whose sum is σ = 10133381664. Its totient is φ = 1447625856.

The previous prime is 4222242169. The next prime is 4222242251. The reversal of 4222242220 is 222422224.

It is a junction number, because it is equal to n+sod(n) for n = 4222242191 and 4222242200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15079297 + ... + 15079576.

It is an arithmetic number, because the mean of its divisors is an integer number (422224236).

Almost surely, 2^4222242220 is an apocalyptic number.

It is an amenable number.

4222242220 is an abundant number, since it is smaller than the sum of its proper divisors (5911139444).

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

4222242220 is a wasteful number, since it uses less digits than its factorization.

4222242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158889 (or 30158887 counting only the distinct ones).

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

The square root of 4222242220 is about 64978.7828448641. The cubic root of 4222242220 is about 1616.2717469964.

Adding to 4222242220 its reverse (222422224), we get a palindrome (4444664444).

The spelling of 4222242220 in words is "four billion, two hundred twenty-two million, two hundred forty-two thousand, two hundred twenty".