224404023 has 4 divisors (see below), whose sum is σ = 299205368. Its totient is φ = 149602680.

The previous prime is 224404013. The next prime is 224404027. The reversal of 224404023 is 320404422.

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

It is not a de Polignac number, because 224404023 - 2⁹ = 224403511 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 (224404027) 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, 37400668 + ... + 37400673.

It is an arithmetic number, because the mean of its divisors is an integer number (74801342).

Almost surely, 2^224404023 is an apocalyptic number.

224404023 is a deficient number, since it is larger than the sum of its proper divisors (74801345).

224404023 is an equidigital number, since it uses as much as digits as its factorization.

224404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74801344.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 224404023 is about 14980.1209274158. The cubic root of 224404023 is about 607.6827095272.

Adding to 224404023 its reverse (320404422), we get a palindrome (544808445).

The spelling of 224404023 in words is "two hundred twenty-four million, four hundred four thousand, twenty-three".