224442447 has 4 divisors (see below), whose sum is σ = 299256600. Its totient is φ = 149628296.

The previous prime is 224442433. The next prime is 224442457. The reversal of 224442447 is 744244422.

224442447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224442447 - 2⁷ = 224442319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224442457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37407072 + ... + 37407077.

It is an arithmetic number, because the mean of its divisors is an integer number (74814150).

Almost surely, 2^224442447 is an apocalyptic number.

224442447 is a deficient number, since it is larger than the sum of its proper divisors (74814153).

224442447 is an equidigital number, since it uses as much as digits as its factorization.

224442447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74814152.

The product of its digits is 57344, while the sum is 33.

The square root of 224442447 is about 14981.4033721811. The cubic root of 224442447 is about 607.7173914186.

Adding to 224442447 its reverse (744244422), we get a palindrome (968686869).

The spelling of 224442447 in words is "two hundred twenty-four million, four hundred forty-two thousand, four hundred forty-seven".