22110220211222 has 64 divisors (see below), whose sum is σ = 39182288302080. Its totient is φ = 9224951500800.

The previous prime is 22110220211201. The next prime is 22110220211227. The reversal of 22110220211222 is 22211202201122.

It is a junction number, because it is equal to n+sod(n) for n = 22110220211194 and 22110220211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110220211227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146814053 + ... + 146964575.

It is an arithmetic number, because the mean of its divisors is an integer number (612223254720).

Almost surely, 2^{22110220211222} is an apocalyptic number.

22110220211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22110220211222 is a deficient number, since it is larger than the sum of its proper divisors (17072068090858).

22110220211222 is a wasteful number, since it uses less digits than its factorization.

22110220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153429.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22110220211222 its reverse (22211202201122), we get a palindrome (44321422412344).

The spelling of 22110220211222 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".