222101111100222 has 32 divisors (see below), whose sum is σ = 494460324595200. Its totient is φ = 73898358710904.

The previous prime is 222101111100191. The next prime is 222101111100257. The reversal of 222101111100222 is 222001111101222.

222101111100222 is a `hidden beast` number, since 2 + 221 + 0 + 111 + 110 + 0 + 222 = 666.

It is a super-2 number, since 2×222101111100222² (a number of 29 digits) contains 22 as substring.

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 = 222101111100195 and 222101111100204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3759553222 + ... + 3759612297.

It is an arithmetic number, because the mean of its divisors is an integer number (15451885143600).

Almost surely, 2^{222101111100222} is an apocalyptic number.

222101111100222 is an abundant number, since it is smaller than the sum of its proper divisors (272359213494978).

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

222101111100222 is a wasteful number, since it uses less digits than its factorization.

222101111100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519166077 (or 7519166071 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222101111100222 its reverse (222001111101222), we get a palindrome (444102222201444).

The spelling of 222101111100222 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred thousand, two hundred twenty-two".