115224443 has 4 divisors (see below), whose sum is σ = 115459608. Its totient is φ = 114989280.

The previous prime is 115224437. The next prime is 115224451. The reversal of 115224443 is 344422511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344422511 = 397 ⋅867563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115224443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115224413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116846 + ... + 117827.

It is an arithmetic number, because the mean of its divisors is an integer number (28864902).

Almost surely, 2^115224443 is an apocalyptic number.

115224443 is a deficient number, since it is larger than the sum of its proper divisors (235165).

115224443 is an equidigital number, since it uses as much as digits as its factorization.

115224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235164.

The product of its digits is 3840, while the sum is 26.

The square root of 115224443 is about 10734.2649026377. The cubic root of 115224443 is about 486.6105709306.

Adding to 115224443 its reverse (344422511), we get a palindrome (459646954).

The spelling of 115224443 in words is "one hundred fifteen million, two hundred twenty-four thousand, four hundred forty-three".