2211200022222 has 48 divisors (see below), whose sum is σ = 5044317707520. Its totient is φ = 698103392400.

The previous prime is 2211200022193. The next prime is 2211200022257. The reversal of 2211200022222 is 2222200021122.

2211200022222 is a `hidden beast` number, since 221 + 1 + 200 + 0 + 22 + 222 = 666.

2211200022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2211200022195 and 2211200022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 619597 + ... + 2192327.

It is an arithmetic number, because the mean of its divisors is an integer number (105089952240).

Almost surely, 2^{2211200022222} is an apocalyptic number.

2211200022222 is an abundant number, since it is smaller than the sum of its proper divisors (2833117685298).

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

2211200022222 is a wasteful number, since it uses less digits than its factorization.

2211200022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576869 (or 1576866 counting only the distinct ones).

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

Adding to 2211200022222 its reverse (2222200021122), we get a palindrome (4433400043344).

The spelling of 2211200022222 in words is "two trillion, two hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty-two".