22222422192 has 80 divisors (see below), whose sum is σ = 61052620160. Its totient is φ = 6945232896.

The previous prime is 22222422169. The next prime is 22222422247. The reversal of 22222422192 is 29122422222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37138 + ... + 214065.

It is an arithmetic number, because the mean of its divisors is an integer number (763157752).

Almost surely, 2^22222422192 is an apocalyptic number.

It is an amenable number.

22222422192 is an abundant number, since it is smaller than the sum of its proper divisors (38830197968).

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

22222422192 is a wasteful number, since it uses less digits than its factorization.

22222422192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251330 (or 251324 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 22222422192 its sum of digits (30), we get a palindrome (22222422222).

The spelling of 22222422192 in words is "twenty-two billion, two hundred twenty-two million, four hundred twenty-two thousand, one hundred ninety-two".