224445289 has 4 divisors (see below), whose sum is σ = 227519956. Its totient is φ = 221370624.

The previous prime is 224445283. The next prime is 224445307. The reversal of 224445289 is 982544422.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75116889 + 149328400 = 8667^2 + 12220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224445289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224445283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537224 + ... + 1537369.

It is an arithmetic number, because the mean of its divisors is an integer number (56879989).

Almost surely, 2^224445289 is an apocalyptic number.

It is an amenable number.

224445289 is a deficient number, since it is larger than the sum of its proper divisors (3074667).

224445289 is an equidigital number, since it uses as much as digits as its factorization.

224445289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074666.

The product of its digits is 184320, while the sum is 40.

The square root of 224445289 is about 14981.4982228080. The cubic root of 224445289 is about 607.7199564793.

The spelling of 224445289 in words is "two hundred twenty-four million, four hundred forty-five thousand, two hundred eighty-nine".