224248385 has 4 divisors (see below), whose sum is σ = 269098068. Its totient is φ = 179398704.

The previous prime is 224248369. The next prime is 224248417. The reversal of 224248385 is 583842422.

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 149719696 + 74528689 = 12236^2 + 8633^2 .

It is a cyclic number.

It is not a de Polignac number, because 224248385 - 2⁴ = 224248369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 22424834 + ... + 22424843.

It is an arithmetic number, because the mean of its divisors is an integer number (67274517).

Almost surely, 2^224248385 is an apocalyptic number.

It is an amenable number.

224248385 is a deficient number, since it is larger than the sum of its proper divisors (44849683).

224248385 is an equidigital number, since it uses as much as digits as its factorization.

224248385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44849682.

The product of its digits is 122880, while the sum is 38.

The square root of 224248385 is about 14974.9252084944. The cubic root of 224248385 is about 607.5421885834.

The spelling of 224248385 in words is "two hundred twenty-four million, two hundred forty-eight thousand, three hundred eighty-five".