224635 has 4 divisors (see below), whose sum is σ = 269568. Its totient is φ = 179704.

The previous prime is 224633. The next prime is 224669. The reversal of 224635 is 536422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 536422 = 2 ⋅268211.

It is a cyclic number.

It is not a de Polignac number, because 224635 - 2¹ = 224633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22459 + ... + 22468.

It is an arithmetic number, because the mean of its divisors is an integer number (67392).

2²²⁴⁶³⁵ is an apocalyptic number.

224635 is a deficient number, since it is larger than the sum of its proper divisors (44933).

224635 is an equidigital number, since it uses as much as digits as its factorization.

224635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44932.

The product of its digits is 1440, while the sum is 22.

The square root of 224635 is about 473.9567490816. The cubic root of 224635 is about 60.7891132112.

The spelling of 224635 in words is "two hundred twenty-four thousand, six hundred thirty-five".