12022203222 has 120 divisors (see below), whose sum is σ = 28565654832. Its totient is φ = 3778552800.

The previous prime is 12022203187. The next prime is 12022203253. The reversal of 12022203222 is 22230222021.

12022203222 is a `hidden beast` number, since 120 + 2 + 220 + 322 + 2 = 666.

It is a super-2 number, since 2×12022203222² (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 junction number, because it is equal to n+sod(n) for n = 12022203195 and 12022203204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18187572 + ... + 18188232.

Almost surely, 2^12022203222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022203222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14282827416).

12022203222 is an abundant number, since it is smaller than the sum of its proper divisors (16543451610).

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

12022203222 is a wasteful number, since it uses less digits than its factorization.

12022203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 996 counting only the distinct ones).

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

Adding to 12022203222 its reverse (22230222021), we get a palindrome (34252425243).

The spelling of 12022203222 in words is "twelve billion, twenty-two million, two hundred three thousand, two hundred twenty-two".