224395 has 4 divisors (see below), whose sum is σ = 269280. Its totient is φ = 179512.

The previous prime is 224363. The next prime is 224401. The reversal of 224395 is 593422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224395 - 2⁵ = 224363 is a prime.

It is an Ulam number.

224395 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22435 + ... + 22444.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2²²⁴³⁹⁵ is an apocalyptic number.

224395 is a deficient number, since it is larger than the sum of its proper divisors (44885).

224395 is an equidigital number, since it uses as much as digits as its factorization.

224395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44884.

The product of its digits is 2160, while the sum is 25.

The square root of 224395 is about 473.7034937595. The cubic root of 224395 is about 60.7674564702.

The spelling of 224395 in words is "two hundred twenty-four thousand, three hundred ninety-five".