22123242222 has 32 divisors (see below), whose sum is σ = 44991551904. Its totient is φ = 7250342400.

The previous prime is 22123242217. The next prime is 22123242227. The reversal of 22123242222 is 22224232122.

It is an interprime number because it is at equal distance from previous prime (22123242217) and next prime (22123242227).

It is a super-3 number, since 3×22123242222³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22123242192 and 22123242201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123242227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910698 + ... + 934674.

It is an arithmetic number, because the mean of its divisors is an integer number (1405985997).

Almost surely, 2^22123242222 is an apocalyptic number.

22123242222 is an abundant number, since it is smaller than the sum of its proper divisors (22868309682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123242222 is a wasteful number, since it uses less digits than its factorization.

22123242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26564.

The product of its digits is 3072, while the sum is 24.

Adding to 22123242222 its reverse (22224232122), we get a palindrome (44347474344).

The spelling of 22123242222 in words is "twenty-two billion, one hundred twenty-three million, two hundred forty-two thousand, two hundred twenty-two".