222222230220 has 96 divisors (see below), whose sum is σ = 632188085760. Its totient is φ = 58313848320.

The previous prime is 222222230137. The next prime is 222222230221. The reversal of 222222230220 is 22032222222.

222222230220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222222230221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865035 + ... + 1980605.

It is an arithmetic number, because the mean of its divisors is an integer number (6585292560).

Almost surely, 2^222222230220 is an apocalyptic number.

222222230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222222230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316094042880).

222222230220 is an abundant number, since it is smaller than the sum of its proper divisors (409965855540).

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

222222230220 is a wasteful number, since it uses less digits than its factorization.

222222230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116095 (or 116093 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 222222230220 its reverse (22032222222), we get a palindrome (244254452442).

The spelling of 222222230220 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred thirty thousand, two hundred twenty".