222112222200 has 480 divisors, whose sum is σ = 848595931920. Its totient is φ = 53840160000.

The previous prime is 222112222187. The next prime is 222112222223. The reversal of 222112222200 is 2222211222.

222112222200 is a `hidden beast` number, since 2 + 221 + 1 + 222 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 21557050 + ... + 21567350.

Almost surely, 2^222112222200 is an apocalyptic number.

222112222200 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 222112222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424297965960).

222112222200 is an abundant number, since it is smaller than the sum of its proper divisors (626483709720).

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

222112222200 is a wasteful number, since it uses less digits than its factorization.

222112222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10322 counting only the distinct ones).

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

Adding to 222112222200 its reverse (2222211222), we get a palindrome (224334433422).

The spelling of 222112222200 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred".