223444555556 has 12 divisors (see below), whose sum is σ = 391323990540. Its totient is φ = 111637701120.

The previous prime is 223444555547. The next prime is 223444555577. The reversal of 223444555556 is 655555444322.

It is a happy number.

223444555556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183929476900 + 39515078656 = 428870^2 + 198784^2 .

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, 21138221 + ... + 21148788.

It is an arithmetic number, because the mean of its divisors is an integer number (32610332545).

Almost surely, 2^223444555556 is an apocalyptic number.

It is an amenable number.

223444555556 is a deficient number, since it is larger than the sum of its proper divisors (167879434984).

223444555556 is a wasteful number, since it uses less digits than its factorization.

223444555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42288334 (or 42288332 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 50.

Adding to 223444555556 its reverse (655555444322), we get a palindrome (878999999878).

The spelling of 223444555556 in words is "two hundred twenty-three billion, four hundred forty-four million, five hundred fifty-five thousand, five hundred fifty-six".