22022220122 has 32 divisors (see below), whose sum is σ = 39263689344. Its totient is φ = 9067464000.

The previous prime is 22022220119. The next prime is 22022220149. The reversal of 22022220122 is 22102222022.

It is a self number, because there is not a number n which added to its sum of digits gives 22022220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263129 + ... + 336572.

It is an arithmetic number, because the mean of its divisors is an integer number (1226990292).

Almost surely, 2^22022220122 is an apocalyptic number.

22022220122 is a deficient number, since it is larger than the sum of its proper divisors (17241469222).

22022220122 is a wasteful number, since it uses less digits than its factorization.

22022220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599814.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22022220122 its reverse (22102222022), we get a palindrome (44124442144).

The spelling of 22022220122 in words is "twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred twenty-two".