12222003224442 has 32 divisors (see below), whose sum is σ = 26669543814144. Its totient is φ = 3703171374000.

The previous prime is 12222003224437. The next prime is 12222003224449. The reversal of 12222003224442 is 24442230022221.

It is a happy number.

It is a super-2 number, since 2×12222003224442² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222003224449) 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 15 ways as a sum of consecutive naturals, for example, 11120428 + ... + 12169959.

It is an arithmetic number, because the mean of its divisors is an integer number (833423244192).

Almost surely, 2^{12222003224442} is an apocalyptic number.

12222003224442 is an abundant number, since it is smaller than the sum of its proper divisors (14447540589702).

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

12222003224442 is a wasteful number, since it uses less digits than its factorization.

12222003224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23298354.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12222003224442 its reverse (24442230022221), we get a palindrome (36664233246663).

The spelling of 12222003224442 in words is "twelve trillion, two hundred twenty-two billion, three million, two hundred twenty-four thousand, four hundred forty-two".