2222220222222 has 192 divisors, whose sum is σ = 6175076500992. Its totient is φ = 518399481600.

The previous prime is 2222220222221. The next prime is 2222220222239.

2222220222222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2222220222192 and 2222220222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222220222221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1989897 + ... + 2898987.

It is an arithmetic number, because the mean of its divisors is an integer number (32161856776).

Almost surely, 2^{2222220222222} is an apocalyptic number.

2222220222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222220222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3087538250496).

2222220222222 is an abundant number, since it is smaller than the sum of its proper divisors (3952856278770).

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

2222220222222 is a wasteful number, since it uses less digits than its factorization.

2222220222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909175 (or 909164 counting only the distinct ones).

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

It can be divided in two parts, 2222220 and 222222, that added together give a palindrome (2444442).

The spelling of 2222220222222 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".