112343221 has 2 divisors, whose sum is σ = 112343222. Its totient is φ = 112343220.

The previous prime is 112343213. The next prime is 112343227. The reversal of 112343221 is 122343211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109956196 + 2387025 = 10486^2 + 1545^2 .

It is an emirp because it is prime and its reverse (122343211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112343221 - 2³ = 112343213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112343227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56171610 + 56171611.

It is an arithmetic number, because the mean of its divisors is an integer number (56171611).

Almost surely, 2^112343221 is an apocalyptic number.

It is an amenable number.

112343221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112343221 is an equidigital number, since it uses as much as digits as its factorization.

112343221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 112343221 is about 10599.2085081859. The cubic root of 112343221 is about 482.5203384806.

Adding to 112343221 its reverse (122343211), we get a palindrome (234686432).

It can be divided in two parts, 1123 and 43221, that added together give a palindrome (44344).

The spelling of 112343221 in words is "one hundred twelve million, three hundred forty-three thousand, two hundred twenty-one".