224404405 has 8 divisors (see below), whose sum is σ = 269479584. Its totient is φ = 179394000.

The previous prime is 224404337. The next prime is 224404417. The reversal of 224404405 is 504404422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224404405 - 2⁷ = 224404277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224404405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8211 + ... + 22720.

It is an arithmetic number, because the mean of its divisors is an integer number (33684948).

Almost surely, 2^224404405 is an apocalyptic number.

It is an amenable number.

224404405 is a deficient number, since it is larger than the sum of its proper divisors (45075179).

224404405 is a wasteful number, since it uses less digits than its factorization.

224404405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32387.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 224404405 is about 14980.1336776412. The cubic root of 224404405 is about 607.6830543437.

Adding to 224404405 its reverse (504404422), we get a palindrome (728808827).

The spelling of 224404405 in words is "two hundred twenty-four million, four hundred four thousand, four hundred five".