1112225816 has 64 divisors (see below), whose sum is σ = 2385028800. Its totient is φ = 481701888.

The previous prime is 1112225801. The next prime is 1112225861. The reversal of 1112225816 is 6185222111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775436 + ... + 776868.

It is an arithmetic number, because the mean of its divisors is an integer number (37266075).

Almost surely, 2^1112225816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112225816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192514400).

1112225816 is an abundant number, since it is smaller than the sum of its proper divisors (1272802984).

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

1112225816 is a wasteful number, since it uses less digits than its factorization.

1112225816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1904 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 1112225816 is about 33350.0497151054. The cubic root of 1112225816 is about 1036.0904176140.

Adding to 1112225816 its reverse (6185222111), we get a palindrome (7297447927).

The spelling of 1112225816 in words is "one billion, one hundred twelve million, two hundred twenty-five thousand, eight hundred sixteen".