112232209 has 2 divisors, whose sum is σ = 112232210. Its totient is φ = 112232208.

The previous prime is 112232207. The next prime is 112232227. The reversal of 112232209 is 902232211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61779600 + 50452609 = 7860^2 + 7103^2 .

It is a cyclic number.

It is not a de Polignac number, because 112232209 - 2¹ = 112232207 is a prime.

Together with 112232207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 112232209.

It is not a weakly prime, because it can be changed into another prime (112232207) by changing a digit.

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 as a sum of consecutive naturals, namely, 56116104 + 56116105.

It is an arithmetic number, because the mean of its divisors is an integer number (56116105).

Almost surely, 2^112232209 is an apocalyptic number.

It is an amenable number.

112232209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112232209 is an equidigital number, since it uses as much as digits as its factorization.

112232209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 112232209 is about 10593.9704077367. The cubic root of 112232209 is about 482.3613518780.

The spelling of 112232209 in words is "one hundred twelve million, two hundred thirty-two thousand, two hundred nine".