22022111222 has 8 divisors (see below), whose sum is σ = 33112006200. Its totient is φ = 10984775824.

The previous prime is 22022111191. The next prime is 22022111227. The reversal of 22022111222 is 22211122022.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22022111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022111227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138847 + ... + 13140522.

It is an arithmetic number, because the mean of its divisors is an integer number (4139000775).

Almost surely, 2^22022111222 is an apocalyptic number.

22022111222 is a deficient number, since it is larger than the sum of its proper divisors (11089894978).

22022111222 is a wasteful number, since it uses less digits than its factorization.

22022111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26279790.

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

Adding to 22022111222 its reverse (22211122022), we get a palindrome (44233233244).

The spelling of 22022111222 in words is "twenty-two billion, twenty-two million, one hundred eleven thousand, two hundred twenty-two".