112220225 has 18 divisors (see below), whose sum is σ = 150686226. Its totient is φ = 82867200.

The previous prime is 112220201. The next prime is 112220231. The reversal of 112220225 is 522022211.

It can be written as a sum of positive squares in 9 ways, for example, as 49224256 + 62995969 = 7016^2 + 7937^2 .

It is not a de Polignac number, because 112220225 - 2¹⁴ = 112203841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9056 + ... + 17505.

It is an arithmetic number, because the mean of its divisors is an integer number (8371457).

Almost surely, 2^112220225 is an apocalyptic number.

It is an amenable number.

112220225 is a deficient number, since it is larger than the sum of its proper divisors (38466001).

112220225 is a wasteful number, since it uses less digits than its factorization.

112220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597 (or 26579 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 112220225 is about 10593.4047878857. The cubic root of 112220225 is about 482.3441826409.

Adding to 112220225 its reverse (522022211), we get a palindrome (634242436).

The spelling of 112220225 in words is "one hundred twelve million, two hundred twenty thousand, two hundred twenty-five".