224665423 has 4 divisors (see below), whose sum is σ = 224698408. Its totient is φ = 224632440.

The previous prime is 224665417. The next prime is 224665433. The reversal of 224665423 is 324566422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324566422 = 2 ⋅162283211.

It is a cyclic number.

It is not a de Polignac number, because 224665423 - 2⁵ = 224665391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224665433) 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, 2073 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (56174602).

Almost surely, 2^224665423 is an apocalyptic number.

224665423 is a deficient number, since it is larger than the sum of its proper divisors (32985).

224665423 is an equidigital number, since it uses as much as digits as its factorization.

224665423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32984.

The product of its digits is 69120, while the sum is 34.

The square root of 224665423 is about 14988.8432842565. The cubic root of 224665423 is about 607.9185737201.

Subtracting 224665423 from its reverse (324566422), we obtain a palindrome (99900999).

It can be divided in two parts, 22466 and 5423, that added together give a square (27889 = 167²).

The spelling of 224665423 in words is "two hundred twenty-four million, six hundred sixty-five thousand, four hundred twenty-three".