224705 has 8 divisors (see below), whose sum is σ = 290472. Its totient is φ = 165888.

The previous prime is 224699. The next prime is 224711. The reversal of 224705 is 507422.

It is an interprime number because it is at equal distance from previous prime (224699) and next prime (224711).

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 215296 = 97^2 + 464^2 .

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 224705 - 2⁸ = 224449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (36309).

2²²⁴⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

224705 is a deficient number, since it is larger than the sum of its proper divisors (65767).

224705 is a wasteful number, since it uses less digits than its factorization.

224705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 224705 is about 474.0305897302. The cubic root of 224705 is about 60.7954268548.

It can be divided in two parts, 224 and 705, that added together give a palindrome (929).

The spelling of 224705 in words is "two hundred twenty-four thousand, seven hundred five".