1112223140 has 48 divisors (see below), whose sum is σ = 2809833600. Its totient is φ = 361262592.

The previous prime is 1112223137. The next prime is 1112223169. The reversal of 1112223140 is 413222111.

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 15 ways as a sum of consecutive naturals, for example, 206405 + ... + 211724.

It is an arithmetic number, because the mean of its divisors is an integer number (58538200).

Almost surely, 2^1112223140 is an apocalyptic number.

1112223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112223140 is an abundant number, since it is smaller than the sum of its proper divisors (1697610460).

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

1112223140 is a wasteful number, since it uses less digits than its factorization.

1112223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418164 (or 418162 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1112223140 is about 33350.0095952010. The cubic root of 1112223140 is about 1036.0895866736.

Adding to 1112223140 its reverse (413222111), we get a palindrome (1525445251).

The spelling of 1112223140 in words is "one billion, one hundred twelve million, two hundred twenty-three thousand, one hundred forty".