22122101222 has 16 divisors (see below), whose sum is σ = 35975545200. Its totient is φ = 10141673952.

The previous prime is 22122101161. The next prime is 22122101231. The reversal of 22122101222 is 22210122122.

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 22122101222.

It is a congruent number.

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, 2851328 + ... + 2859075.

It is an arithmetic number, because the mean of its divisors is an integer number (2248471575).

Almost surely, 2^22122101222 is an apocalyptic number.

22122101222 is a deficient number, since it is larger than the sum of its proper divisors (13853443978).

22122101222 is a wasteful number, since it uses less digits than its factorization.

22122101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710567.

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

Adding to 22122101222 its reverse (22210122122), we get a palindrome (44332223344).

The spelling of 22122101222 in words is "twenty-two billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-two".