220022222122 has 4 divisors (see below), whose sum is σ = 330033333186. Its totient is φ = 110011111060.

The previous prime is 220022222117. The next prime is 220022222153. The reversal of 220022222122 is 221222220022.

220022222122 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.

It can be written as a sum of positive squares in only one way, i.e., 219999459681 + 22762441 = 469041^2 + 4771^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220022222122.

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, 55005555529 + ... + 55005555532.

Almost surely, 2^220022222122 is an apocalyptic number.

220022222122 is a deficient number, since it is larger than the sum of its proper divisors (110011111064).

220022222122 is a wasteful number, since it uses less digits than its factorization.

220022222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110011111063.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220022222122 its reverse (221222220022), we get a palindrome (441244442144).

The spelling of 220022222122 in words is "two hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".