22211101222 has 16 divisors (see below), whose sum is σ = 35291216592. Its totient is φ = 10447909120.

The previous prime is 22211101153. The next prime is 22211101223. The reversal of 22211101222 is 22210111222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22211101196 and 22211101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211101223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53503 + ... + 217450.

It is an arithmetic number, because the mean of its divisors is an integer number (2205701037).

Almost surely, 2^22211101222 is an apocalyptic number.

22211101222 is a deficient number, since it is larger than the sum of its proper divisors (13080115370).

22211101222 is a wasteful number, since it uses less digits than its factorization.

22211101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273383.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211101222 its reverse (22210111222), we get a palindrome (44421212444).

The spelling of 22211101222 in words is "twenty-two billion, two hundred eleven million, one hundred one thousand, two hundred twenty-two".