22022211223 has 4 divisors (see below), whose sum is σ = 22559338368. Its totient is φ = 21485084080.

The previous prime is 22022211191. The next prime is 22022211311. The reversal of 22022211223 is 32211222022.

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 22022211223 - 2⁵ = 22022211191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22022211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022281223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268563511 + ... + 268563592.

It is an arithmetic number, because the mean of its divisors is an integer number (5639834592).

Almost surely, 2^22022211223 is an apocalyptic number.

22022211223 is a deficient number, since it is larger than the sum of its proper divisors (537127145).

22022211223 is an equidigital number, since it uses as much as digits as its factorization.

22022211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537127144.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22022211223 its reverse (32211222022), we get a palindrome (54233433245).

The spelling of 22022211223 in words is "twenty-two billion, twenty-two million, two hundred eleven thousand, two hundred twenty-three".