22000222122 has 16 divisors (see below), whose sum is σ = 44254784160. Its totient is φ = 7291017392.

The previous prime is 22000222117. The next prime is 22000222129. The reversal of 22000222122 is 22122200022.

It is not an unprimeable number, because it can be changed into a prime (22000222129) 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, 10596372 + ... + 10598447.

It is an arithmetic number, because the mean of its divisors is an integer number (2765924010).

Almost surely, 2^22000222122 is an apocalyptic number.

22000222122 is an abundant number, since it is smaller than the sum of its proper divisors (22254562038).

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

22000222122 is a wasteful number, since it uses less digits than its factorization.

22000222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21194997.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22000222122 its reverse (22122200022), we get a palindrome (44122422144).

The spelling of 22000222122 in words is "twenty-two billion, two hundred twenty-two thousand, one hundred twenty-two".