111224444 has 6 divisors (see below), whose sum is σ = 194642784. Its totient is φ = 55612220.

The previous prime is 111224437. The next prime is 111224459. The reversal of 111224444 is 444422111.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13903052 + ... + 13903059.

It is an arithmetic number, because the mean of its divisors is an integer number (32440464).

Almost surely, 2^111224444 is an apocalyptic number.

It is an amenable number.

111224444 is a deficient number, since it is larger than the sum of its proper divisors (83418340).

111224444 is a wasteful number, since it uses less digits than its factorization.

111224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27806115 (or 27806113 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 111224444 is about 10546.3000146971. The cubic root of 111224444 is about 480.9132555367.

Adding to 111224444 its reverse (444422111), we get a palindrome (555646555).

The spelling of 111224444 in words is "one hundred eleven million, two hundred twenty-four thousand, four hundred forty-four".