224642959 has 4 divisors (see below), whose sum is σ = 224698320. Its totient is φ = 224587600.

The previous prime is 224642927. The next prime is 224642963. The reversal of 224642959 is 959246422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959246422 = 2 ⋅479623211.

It is a cyclic number.

It is not a de Polignac number, because 224642959 - 2⁵ = 224642927 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 (224642659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21067 + ... + 29884.

It is an arithmetic number, because the mean of its divisors is an integer number (56174580).

Almost surely, 2^224642959 is an apocalyptic number.

224642959 is a deficient number, since it is larger than the sum of its proper divisors (55361).

224642959 is an equidigital number, since it uses as much as digits as its factorization.

224642959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55360.

The product of its digits is 311040, while the sum is 43.

The square root of 224642959 is about 14988.0939081659. The cubic root of 224642959 is about 607.8983113853.

The spelling of 224642959 in words is "two hundred twenty-four million, six hundred forty-two thousand, nine hundred fifty-nine".