22222022122 has 4 divisors (see below), whose sum is σ = 33333033186. Its totient is φ = 11111011060.

The previous prime is 22222022111. The next prime is 22222022177. The reversal of 22222022122 is 22122022222.

22222022122 is digitally balanced in base 5, 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., 18420189841 + 3801832281 = 135721^2 + 61659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22222022122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505529 + ... + 5555505532.

Almost surely, 2^22222022122 is an apocalyptic number.

22222022122 is a deficient number, since it is larger than the sum of its proper divisors (11111011064).

22222022122 is a wasteful number, since it uses less digits than its factorization.

22222022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111011063.

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

Adding to 22222022122 its reverse (22122022222), we get a palindrome (44344044344).

The spelling of 22222022122 in words is "twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-two".