1222344455568 has 40 divisors (see below), whose sum is σ = 3158161974816. Its totient is φ = 407391532800.

The previous prime is 1222344455551. The next prime is 1222344455593. The reversal of 1222344455568 is 8655544432221.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1222344455568.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1419613 + ... + 2111868.

Almost surely, 2^{1222344455568} is an apocalyptic number.

It is an amenable number.

1222344455568 is an abundant number, since it is smaller than the sum of its proper divisors (1935817519248).

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

1222344455568 is a wasteful number, since it uses less digits than its factorization.

1222344455568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538703 (or 3538697 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 51.

Adding to 1222344455568 its reverse (8655544432221), we get a palindrome (9877888887789).

The spelling of 1222344455568 in words is "one trillion, two hundred twenty-two billion, three hundred forty-four million, four hundred fifty-five thousand, five hundred sixty-eight".