2213231222222 has 16 divisors (see below), whose sum is σ = 3350979677232. Its totient is φ = 1096238652480.

The previous prime is 2213231222179. The next prime is 2213231222227. The reversal of 2213231222222 is 2222221323122.

It is a junction number, because it is equal to n+sod(n) for n = 2213231222191 and 2213231222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213231222227) 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, 7419272 + ... + 7711812.

It is an arithmetic number, because the mean of its divisors is an integer number (209436229827).

Almost surely, 2^{2213231222222} is an apocalyptic number.

2213231222222 is a deficient number, since it is larger than the sum of its proper divisors (1137748455010).

2213231222222 is a wasteful number, since it uses less digits than its factorization.

2213231222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328003.

The product of its digits is 4608, while the sum is 26.

Adding to 2213231222222 its reverse (2222221323122), we get a palindrome (4435452545344).

The spelling of 2213231222222 in words is "two trillion, two hundred thirteen billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred twenty-two".