1113422144 has 28 divisors (see below), whose sum is σ = 2212447188. Its totient is φ = 555955200.

The previous prime is 1113422131. The next prime is 1113422159. The reversal of 1113422144 is 4412243111.

It can be written as a sum of positive squares in 2 ways, for example, as 445716544 + 667705600 = 21112^2 + 25840^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 37274 + ... + 60134.

It is an arithmetic number, because the mean of its divisors is an integer number (79015971).

Almost surely, 2^1113422144 is an apocalyptic number.

It is an amenable number.

1113422144 is a deficient number, since it is larger than the sum of its proper divisors (1099025044).

1113422144 is an equidigital number, since it uses as much as digits as its factorization.

1113422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634 (or 23624 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1113422144 is about 33367.9808199417. The cubic root of 1113422144 is about 1036.4617630172.

Adding to 1113422144 its reverse (4412243111), we get a palindrome (5525665255).

The spelling of 1113422144 in words is "one billion, one hundred thirteen million, four hundred twenty-two thousand, one hundred forty-four".