112223609 has 4 divisors (see below), whose sum is σ = 112246260. Its totient is φ = 112200960.

The previous prime is 112223599. The next prime is 112223621. The reversal of 112223609 is 906322211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906322211 = 19 ⋅47701169.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 109265209 = 1720^2 + 10453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112223609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112223659) 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, 344 + ... + 14985.

It is an arithmetic number, because the mean of its divisors is an integer number (28061565).

Almost surely, 2^112223609 is an apocalyptic number.

It is an amenable number.

112223609 is a deficient number, since it is larger than the sum of its proper divisors (22651).

112223609 is an equidigital number, since it uses as much as digits as its factorization.

112223609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22650.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 112223609 is about 10593.5645087006. The cubic root of 112223609 is about 482.3490309539.

The spelling of 112223609 in words is "one hundred twelve million, two hundred twenty-three thousand, six hundred nine".