224404423 has 4 divisors (see below), whose sum is σ = 224760688. Its totient is φ = 224048160.

The previous prime is 224404417. The next prime is 224404463. The reversal of 224404423 is 324404422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324404422 = 2 ⋅162202211.

It is a cyclic number.

It is not a de Polignac number, because 224404423 - 2⁹ = 224403911 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 (224404463) 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, 177186 + ... + 178447.

It is an arithmetic number, because the mean of its divisors is an integer number (56190172).

Almost surely, 2^224404423 is an apocalyptic number.

224404423 is a deficient number, since it is larger than the sum of its proper divisors (356265).

224404423 is an equidigital number, since it uses as much as digits as its factorization.

224404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356264.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 224404423 is about 14980.1342784369. The cubic root of 224404423 is about 607.6830705916.

Adding to 224404423 its reverse (324404422), we get a palindrome (548808845).

Subtracting 224404423 from its reverse (324404422), we obtain a palindrome (99999999).

The spelling of 224404423 in words is "two hundred twenty-four million, four hundred four thousand, four hundred twenty-three".