16224005 has 32 divisors (see below), whose sum is σ = 24207360. Its totient is φ = 10186560.

The previous prime is 16223959. The next prime is 16224017. The reversal of 16224005 is 50042261.

It is a happy number.

It is not a de Polignac number, because 16224005 - 2²⁰ = 15175429 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20222 + ... + 21008.

It is an arithmetic number, because the mean of its divisors is an integer number (756480).

Almost surely, 2^16224005 is an apocalyptic number.

It is an amenable number.

16224005 is a deficient number, since it is larger than the sum of its proper divisors (7983355).

16224005 is a wasteful number, since it uses less digits than its factorization.

16224005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 16224005 is about 4027.9033007261. The cubic root of 16224005 is about 253.1547169297.

Adding to 16224005 its reverse (50042261), we get a palindrome (66266266).

The spelling of 16224005 in words is "sixteen million, two hundred twenty-four thousand, five".