1112278338 has 16 divisors (see below), whose sum is σ = 2471729760. Its totient is φ = 370759428.

The previous prime is 1112278337. The next prime is 1112278369. The reversal of 1112278338 is 8338722111.

It is not an unprimeable number, because it can be changed into a prime (1112278337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10298820 + ... + 10298927.

It is an arithmetic number, because the mean of its divisors is an integer number (154483110).

Almost surely, 2^1112278338 is an apocalyptic number.

1112278338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1112278338 is an abundant number, since it is smaller than the sum of its proper divisors (1359451422).

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

1112278338 is a wasteful number, since it uses less digits than its factorization.

1112278338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597758 (or 20597752 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1112278338 is about 33350.8371409175. The cubic root of 1112278338 is about 1036.1067262579.

The spelling of 1112278338 in words is "one billion, one hundred twelve million, two hundred seventy-eight thousand, three hundred thirty-eight".