22212212110223 has 4 divisors (see below), whose sum is σ = 22212246388488. Its totient is φ = 22212177831960.

The previous prime is 22212212110169. The next prime is 22212212110271. The reversal of 22212212110223 is 32201121221222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22212212110223 - 2²⁰ = 22212211061647 is a prime.

It is a super-2 number, since 2×22212212110223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212212110523) 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 3 ways as a sum of consecutive naturals, for example, 16148033 + ... + 17469498.

It is an arithmetic number, because the mean of its divisors is an integer number (5553061597122).

Almost surely, 2^{22212212110223} is an apocalyptic number.

22212212110223 is a deficient number, since it is larger than the sum of its proper divisors (34278265).

22212212110223 is an equidigital number, since it uses as much as digits as its factorization.

22212212110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34278264.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 22212212110223 its reverse (32201121221222), we get a palindrome (54413333331445).

The spelling of 22212212110223 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-three".