224769 has 4 divisors (see below), whose sum is σ = 299696. Its totient is φ = 149844.

The previous prime is 224759. The next prime is 224771. The reversal of 224769 is 967422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 224769 - 2⁵ = 224737 is a prime.

It is a super-2 number, since 2×224769² = 101042206722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37459 + ... + 37464.

It is an arithmetic number, because the mean of its divisors is an integer number (74924).

It is a Proth number, since it is equal to 439 ⋅ 2⁹ + 1 and 439 < 2⁹.

2²²⁴⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

224769 is a deficient number, since it is larger than the sum of its proper divisors (74927).

224769 is an equidigital number, since it uses as much as digits as its factorization.

224769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74926.

The product of its digits is 6048, while the sum is 30.

The square root of 224769 is about 474.0980911162. The cubic root of 224769 is about 60.8011981816.

The spelling of 224769 in words is "two hundred twenty-four thousand, seven hundred sixty-nine".