12222022230 has 128 divisors (see below), whose sum is σ = 35901066240. Its totient is φ = 2934074880.

The previous prime is 12222022207. The next prime is 12222022231. The reversal of 12222022230 is 3222022221.

12222022230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12222022230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222022231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285934 + ... + 325886.

It is an arithmetic number, because the mean of its divisors is an integer number (280477080).

Almost surely, 2^12222022230 is an apocalyptic number.

12222022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222022230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17950533120).

12222022230 is an abundant number, since it is smaller than the sum of its proper divisors (23679044010).

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

12222022230 is a wasteful number, since it uses less digits than its factorization.

12222022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40083 (or 40077 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12222022230 its reverse (3222022221), we get a palindrome (15444044451).

Subtracting from 12222022230 its reverse (3222022221), we obtain a palindrome (9000000009).

The spelling of 12222022230 in words is "twelve billion, two hundred twenty-two million, twenty-two thousand, two hundred thirty".