112021225 has 24 divisors (see below), whose sum is σ = 143162712. Its totient is φ = 86899200.

The previous prime is 112021223. The next prime is 112021241. The reversal of 112021225 is 522120211.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 27583504 + 84437721 = 5252^2 + 9189^2 .

It is not a de Polignac number, because 112021225 - 2¹ = 112021223 is a prime.

It is a super-3 number, since 3×112021225³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021199 and 112021208.

It is not an unprimeable number, because it can be changed into a prime (112021223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300139 + ... + 300511.

It is an arithmetic number, because the mean of its divisors is an integer number (5965113).

Almost surely, 2^112021225 is an apocalyptic number.

It is an amenable number.

112021225 is a deficient number, since it is larger than the sum of its proper divisors (31141487).

112021225 is a wasteful number, since it uses less digits than its factorization.

112021225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 112021225 is about 10584.0079837460. The cubic root of 112021225 is about 482.0589004770.

Adding to 112021225 its reverse (522120211), we get a palindrome (634141436).

The spelling of 112021225 in words is "one hundred twelve million, twenty-one thousand, two hundred twenty-five".