112218842 has 4 divisors (see below), whose sum is σ = 168328266. Its totient is φ = 56109420.

The previous prime is 112218781. The next prime is 112218857. The reversal of 112218842 is 248812211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248812211 = 3253 ⋅76487.

It can be written as a sum of positive squares in only one way, i.e., 111915241 + 303601 = 10579^2 + 551^2 .

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 as a sum of consecutive naturals, namely, 28054709 + ... + 28054712.

Almost surely, 2^112218842 is an apocalyptic number.

112218842 is a deficient number, since it is larger than the sum of its proper divisors (56109424).

112218842 is an equidigital number, since it uses as much as digits as its factorization.

112218842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56109423.

The product of its digits is 2048, while the sum is 29.

The square root of 112218842 is about 10593.3395112212. The cubic root of 112218842 is about 482.3422011658.

The spelling of 112218842 in words is "one hundred twelve million, two hundred eighteen thousand, eight hundred forty-two".