22112022122 has 16 divisors (see below), whose sum is σ = 35180244000. Its totient is φ = 10394158320.

The previous prime is 22112022083. The next prime is 22112022131. The reversal of 22112022122 is 22122021122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112022122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215997 + ... + 2225952.

It is an arithmetic number, because the mean of its divisors is an integer number (2198765250).

Almost surely, 2^22112022122 is an apocalyptic number.

22112022122 is a deficient number, since it is larger than the sum of its proper divisors (13068221878).

22112022122 is a wasteful number, since it uses less digits than its factorization.

22112022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442101.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112022122 its reverse (22122021122), we get a palindrome (44234043244).

The spelling of 22112022122 in words is "twenty-two billion, one hundred twelve million, twenty-two thousand, one hundred twenty-two".