224185 has 8 divisors (see below), whose sum is σ = 289800. Its totient is φ = 165504.

The previous prime is 224177. The next prime is 224197. The reversal of 224185 is 581422.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 212521 = 108^2 + 461^2 .

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 224185 - 2³ = 224177 is a prime.

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, 1660 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (36225).

2²²⁴¹⁸⁵ is an apocalyptic number.

It is an amenable number.

224185 is a deficient number, since it is larger than the sum of its proper divisors (65615).

224185 is a wasteful number, since it uses less digits than its factorization.

224185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467.

The product of its digits is 640, while the sum is 22.

The square root of 224185 is about 473.4817842325. The cubic root of 224185 is about 60.7484941511.

The spelling of 224185 in words is "two hundred twenty-four thousand, one hundred eighty-five".