2220240222 has 48 divisors (see below), whose sum is σ = 5102416800. Its totient is φ = 695325696.

The previous prime is 2220240179. The next prime is 2220240227. The reversal of 2220240222 is 2220420222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220240195 and 2220240204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220240227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177238 + ... + 189350.

It is an arithmetic number, because the mean of its divisors is an integer number (106300350).

Almost surely, 2^2220240222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220240222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551208400).

2220240222 is an abundant number, since it is smaller than the sum of its proper divisors (2882176578).

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

2220240222 is a wasteful number, since it uses less digits than its factorization.

2220240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737 (or 12734 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2220240222 is about 47119.4251026050. The cubic root of 2220240222 is about 1304.5678015642.

Adding to 2220240222 its reverse (2220420222), we get a palindrome (4440660444).

The spelling of 2220240222 in words is "two billion, two hundred twenty million, two hundred forty thousand, two hundred twenty-two".