224000405 has 16 divisors (see below), whose sum is σ = 290599680. Its totient is φ = 165177792.

The previous prime is 224000369. The next prime is 224000423. The reversal of 224000405 is 504000422.

It is not a de Polignac number, because 224000405 - 2¹⁶ = 223934869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28349 + ... + 35378.

It is an arithmetic number, because the mean of its divisors is an integer number (18162480).

Almost surely, 2^224000405 is an apocalyptic number.

It is an amenable number.

224000405 is a deficient number, since it is larger than the sum of its proper divisors (66599275).

224000405 is a wasteful number, since it uses less digits than its factorization.

224000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63788.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 224000405 is about 14966.6430771900. The cubic root of 224000405 is about 607.3181603923.

Adding to 224000405 its sum of digits (17), we get a palindrome (224000422).

Adding to 224000405 its reverse (504000422), we get a palindrome (728000827).

The spelling of 224000405 in words is "two hundred twenty-four million, four hundred five", and thus it is an aban number.