222220111000 has 32 divisors (see below), whose sum is σ = 519995062080. Its totient is φ = 88888044000.

The previous prime is 222220110997. The next prime is 222220111007. The reversal of 222220111000 is 111022222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220111007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111109056 + ... + 111111055.

It is an arithmetic number, because the mean of its divisors is an integer number (16249845690).

Almost surely, 2^222220111000 is an apocalyptic number.

222220111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220111000 is an abundant number, since it is smaller than the sum of its proper divisors (297774951080).

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

222220111000 is a wasteful number, since it uses less digits than its factorization.

222220111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222220132 (or 222220118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222220111000 its reverse (111022222), we get a palindrome (222331133222).

The spelling of 222220111000 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand".