112225217 has 8 divisors (see below), whose sum is σ = 122105256. Its totient is φ = 102523392.

The previous prime is 112225207. The next prime is 112225271. The reversal of 112225217 is 712522211.

It can be written as a sum of positive squares in 4 ways, for example, as 10699441 + 101525776 = 3271^2 + 10076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112225217 - 2¹⁰ = 112224193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112225192 and 112225201.

It is not an unprimeable number, because it can be changed into a prime (112225207) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 43238 + ... + 45759.

It is an arithmetic number, because the mean of its divisors is an integer number (15263157).

Almost surely, 2^112225217 is an apocalyptic number.

It is an amenable number.

112225217 is a deficient number, since it is larger than the sum of its proper divisors (9880039).

112225217 is an equidigital number, since it uses as much as digits as its factorization.

112225217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89107.

The product of its digits is 560, while the sum is 23.

The square root of 112225217 is about 10593.6404035629. The cubic root of 112225217 is about 482.3513347280.

Adding to 112225217 its reverse (712522211), we get a palindrome (824747428).

The spelling of 112225217 in words is "one hundred twelve million, two hundred twenty-five thousand, two hundred seventeen".