16224913 has 8 divisors (see below), whose sum is σ = 16970688. Its totient is φ = 15482544.

The previous prime is 16224893. The next prime is 16224947. The reversal of 16224913 is 31942261.

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

It is a cyclic number.

It is not a de Polignac number, because 16224913 - 2⁵ = 16224881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16224973) 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 7 ways as a sum of consecutive naturals, for example, 18595 + ... + 19447.

It is an arithmetic number, because the mean of its divisors is an integer number (2121336).

Almost surely, 2^16224913 is an apocalyptic number.

It is an amenable number.

16224913 is a deficient number, since it is larger than the sum of its proper divisors (745775).

16224913 is an equidigital number, since it uses as much as digits as its factorization.

16224913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its digits is 2592, while the sum is 28.

The square root of 16224913 is about 4028.0160128778. The cubic root of 16224913 is about 253.1594395654.

The spelling of 16224913 in words is "sixteen million, two hundred twenty-four thousand, nine hundred thirteen".