220220112222 has 48 divisors (see below), whose sum is σ = 520552122480. Its totient is φ = 66729283200.

The previous prime is 220220112181. The next prime is 220220112223. The reversal of 220220112222 is 222211022022.

220220112222 is a `hidden beast` number, since 220 + 220 + 1 + 1 + 2 + 222 = 666.

220220112222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 220220112195 and 220220112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220112223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5373304 + ... + 5414132.

It is an arithmetic number, because the mean of its divisors is an integer number (10844835885).

Almost surely, 2^220220112222 is an apocalyptic number.

220220112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220220112222 is an abundant number, since it is smaller than the sum of its proper divisors (300332010258).

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

220220112222 is a wasteful number, since it uses less digits than its factorization.

220220112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68089 (or 68086 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220220112222 its reverse (222211022022), we get a palindrome (442431134244).

The spelling of 220220112222 in words is "two hundred twenty billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-two".