22222111022 has 8 divisors (see below), whose sum is σ = 33879612072. Its totient is φ = 10928907000.

The previous prime is 22222111019. The next prime is 22222111061. The reversal of 22222111022 is 22011122222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91074104 + ... + 91074347.

It is an arithmetic number, because the mean of its divisors is an integer number (4234951509).

Almost surely, 2^22222111022 is an apocalyptic number.

22222111022 is a deficient number, since it is larger than the sum of its proper divisors (11657501050).

22222111022 is a wasteful number, since it uses less digits than its factorization.

22222111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182148514.

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

Adding to 22222111022 its reverse (22011122222), we get a palindrome (44233233244).

The spelling of 22222111022 in words is "twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".