1112822881 has 3 divisors (see below), whose sum is σ = 1112856241. Its totient is φ = 1112789522.

The previous prime is 1112822857. The next prime is 1112822891. The reversal of 1112822881 is 1882282111.

It is a happy number.

The square root of 1112822881 is 33359.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1882282111 = 20173 ⋅93307.

It is not a de Polignac number, because 1112822881 - 2⁵ = 1112822849 is a prime.

It is a super-2 number, since 2×1112822881² = 2476749528954280322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112822801) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 16680 + ... + 50038.

Almost surely, 2^1112822881 is an apocalyptic number.

1112822881 is the 33359-th square number.

1112822881 is the 16680-th centered octagonal number.

It is an amenable number.

1112822881 is a deficient number, since it is larger than the sum of its proper divisors (33360).

1112822881 is an frugal number, since it uses more digits than its factorization.

1112822881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66718 (or 33359 counting only the distinct ones).

The product of its digits is 4096, while the sum is 34.

The cubic root of 1112822881 is about 1036.2757824487.

Multiplying 1112822881 by its product of digits (4096), we get a square (4558122520576 = 2134976²).

The spelling of 1112822881 in words is "one billion, one hundred twelve million, eight hundred twenty-two thousand, eight hundred eighty-one".