222211200222 has 24 divisors (see below), whose sum is σ = 525226473720. Its totient is φ = 67336727280.

The previous prime is 222211200157. The next prime is 222211200227. The reversal of 222211200222 is 222002112222.

222211200222 is a `hidden beast` number, since 22 + 221 + 1 + 200 + 222 = 666.

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 = 222211200195 and 222211200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561139197 + ... + 561139592.

It is an arithmetic number, because the mean of its divisors is an integer number (21884436405).

Almost surely, 2^222211200222 is an apocalyptic number.

222211200222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222211200222 is an abundant number, since it is smaller than the sum of its proper divisors (303015273498).

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

222211200222 is a wasteful number, since it uses less digits than its factorization.

222211200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122278808 (or 1122278805 counting only the distinct ones).

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

Adding to 222211200222 its reverse (222002112222), we get a palindrome (444213312444).

The spelling of 222211200222 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".