112228445729 has 4 divisors (see below), whose sum is σ = 112363824660. Its totient is φ = 112093066800.

The previous prime is 112228445701. The next prime is 112228445731. The reversal of 112228445729 is 927544822211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78279646225 + 33948799504 = 279785^2 + 184252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112228445729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112228445759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67688222 + ... + 67689879.

It is an arithmetic number, because the mean of its divisors is an integer number (28090956165).

Almost surely, 2^112228445729 is an apocalyptic number.

It is an amenable number.

112228445729 is a deficient number, since it is larger than the sum of its proper divisors (135378931).

112228445729 is an equidigital number, since it uses as much as digits as its factorization.

112228445729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135378930.

The product of its digits is 645120, while the sum is 47.

The spelling of 112228445729 in words is "one hundred twelve billion, two hundred twenty-eight million, four hundred forty-five thousand, seven hundred twenty-nine".