224609 has 8 divisors (see below), whose sum is σ = 280128. Its totient is φ = 174960.

The previous prime is 224603. The next prime is 224611. The reversal of 224609 is 906422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224609 - 2¹² = 220513 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (224603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (35016).

2²²⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

224609 is a deficient number, since it is larger than the sum of its proper divisors (55519).

224609 is a wasteful number, since it uses less digits than its factorization.

224609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 224609 is about 473.9293196248. The cubic root of 224609 is about 60.7867678095.

The spelling of 224609 in words is "two hundred twenty-four thousand, six hundred nine".