4222042220 has 48 divisors (see below), whose sum is σ = 9677961216. Its totient is φ = 1534392000.

The previous prime is 4222042217. The next prime is 4222042261. The reversal of 4222042220 is 222402224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4222042192 and 4222042201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459875 + ... + 468965.

It is an arithmetic number, because the mean of its divisors is an integer number (201624192).

Almost surely, 2^4222042220 is an apocalyptic number.

It is an amenable number.

4222042220 is an abundant number, since it is smaller than the sum of its proper divisors (5455918996).

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

4222042220 is a wasteful number, since it uses less digits than its factorization.

4222042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222 (or 11220 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4222042220 is about 64977.2438627555. The cubic root of 4222042220 is about 1616.2462266341.

Adding to 4222042220 its reverse (222402224), we get a palindrome (4444444444).

It can be divided in two parts, 422204 and 2220, that added together give a palindrome (424424).

The spelling of 4222042220 in words is "four billion, two hundred twenty-two million, forty-two thousand, two hundred twenty".