224308447 has 4 divisors (see below), whose sum is σ = 244700136. Its totient is φ = 203916760.

The previous prime is 224308423. The next prime is 224308459. The reversal of 224308447 is 744803422.

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 224308447 - 2¹⁹ = 223784159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224708447) 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, 10195828 + ... + 10195849.

It is an arithmetic number, because the mean of its divisors is an integer number (61175034).

Almost surely, 2^224308447 is an apocalyptic number.

224308447 is a deficient number, since it is larger than the sum of its proper divisors (20391689).

224308447 is a wasteful number, since it uses less digits than its factorization.

224308447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20391688.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 224308447 is about 14976.9304932620. The cubic root of 224308447 is about 607.5964244873.

The spelling of 224308447 in words is "two hundred twenty-four million, three hundred eight thousand, four hundred forty-seven".