222220220000 has 120 divisors (see below), whose sum is σ = 549976963536. Its totient is φ = 88354496000.

The previous prime is 222220219993. The next prime is 222220220017. The reversal of 222220220000 is 22022222.

It is a happy number.

222220220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3306734 + ... + 3373266.

Almost surely, 2^222220220000 is an apocalyptic number.

222220220000 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 222220220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274988481768).

222220220000 is an abundant number, since it is smaller than the sum of its proper divisors (327756743536).

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

222220220000 is an equidigital number, since it uses as much as digits as its factorization.

222220220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66730 (or 66707 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 222220220000 its reverse (22022222), we get a palindrome (222242242222).

The spelling of 222220220000 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand".