12222223445568 has 28 divisors (see below), whose sum is σ = 32337966200240. Its totient is φ = 4074074481792.

The previous prime is 12222223445557. The next prime is 12222223445581. The reversal of 12222223445568 is 86554432222221.

It is a super-2 number, since 2×12222223445568² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31828706698 + ... + 31828707081.

Almost surely, 2^{12222223445568} is an apocalyptic number.

It is an amenable number.

12222223445568 is an abundant number, since it is smaller than the sum of its proper divisors (20115742754672).

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

12222223445568 is an equidigital number, since it uses as much as digits as its factorization.

12222223445568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63657413794 (or 63657413784 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 48.

Adding to 12222223445568 its reverse (86554432222221), we get a palindrome (98776655667789).

The spelling of 12222223445568 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred forty-five thousand, five hundred sixty-eight".