222220013122 has 4 divisors (see below), whose sum is σ = 333330019686. Its totient is φ = 111110006560.

The previous prime is 222220013111. The next prime is 222220013149. The reversal of 222220013122 is 221310022222.

222220013122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221310022222 = 2 ⋅110655011111.

It can be written as a sum of positive squares in only one way, i.e., 132670049121 + 89549964001 = 364239^2 + 299249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222220013122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555003279 + ... + 55555003282.

Almost surely, 2^222220013122 is an apocalyptic number.

222220013122 is a deficient number, since it is larger than the sum of its proper divisors (111110006564).

222220013122 is a wasteful number, since it uses less digits than its factorization.

222220013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111110006563.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222220013122 its reverse (221310022222), we get a palindrome (443530035344).

It can be divided in two parts, 2222200 and 13122, that added together give a palindrome (2235322).

The spelling of 222220013122 in words is "two hundred twenty-two billion, two hundred twenty million, thirteen thousand, one hundred twenty-two".