112217424 has 80 divisors (see below), whose sum is σ = 317789184. Its totient is φ = 33840000.

The previous prime is 112217419. The next prime is 112217447. The reversal of 112217424 is 424712211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 112217394 and 112217403.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 149049 + ... + 149799.

Almost surely, 2^112217424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112217424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158894592).

112217424 is an abundant number, since it is smaller than the sum of its proper divisors (205571760).

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

112217424 is a wasteful number, since it uses less digits than its factorization.

112217424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1050 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 112217424 is about 10593.2725821627. The cubic root of 112217424 is about 482.3401695280.

Adding to 112217424 its reverse (424712211), we get a palindrome (536929635).

The spelling of 112217424 in words is "one hundred twelve million, two hundred seventeen thousand, four hundred twenty-four".