4222440222 has 128 divisors (see below), whose sum is σ = 11645641728. Its totient is φ = 984960000.

The previous prime is 4222440203. The next prime is 4222440293. The reversal of 4222440222 is 2220442224.

It is a junction number, because it is equal to n+sod(n) for n = 4222440192 and 4222440201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212722 + ... + 231722.

It is an arithmetic number, because the mean of its divisors is an integer number (90981576).

Almost surely, 2^4222440222 is an apocalyptic number.

4222440222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222440222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5822820864).

4222440222 is an abundant number, since it is smaller than the sum of its proper divisors (7423201506).

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

4222440222 is a wasteful number, since it uses less digits than its factorization.

4222440222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4222440222 is about 64980.3064166367. The cubic root of 4222440222 is about 1616.2970116164.

Adding to 4222440222 its reverse (2220442224), we get a palindrome (6442882446).

It can be divided in two parts, 4222 and 440222, that added together give a palindrome (444444).

The spelling of 4222440222 in words is "four billion, two hundred twenty-two million, four hundred forty thousand, two hundred twenty-two".