16224829 has 2 divisors, whose sum is σ = 16224830. Its totient is φ = 16224828.

The previous prime is 16224827. The next prime is 16224839. The reversal of 16224829 is 92842261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 8100 = 4027^2 + 90^2 .

It is an emirp because it is prime and its reverse (92842261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16224829 - 2¹ = 16224827 is a prime.

Together with 16224827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16224794 and 16224803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16224827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112414 + 8112415.

It is an arithmetic number, because the mean of its divisors is an integer number (8112415).

Almost surely, 2^16224829 is an apocalyptic number.

It is an amenable number.

16224829 is a deficient number, since it is larger than the sum of its proper divisors (1).

16224829 is an equidigital number, since it uses as much as digits as its factorization.

16224829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 16224829 is about 4028.0055858948. The cubic root of 16224829 is about 253.1590026770.

The spelling of 16224829 in words is "sixteen million, two hundred twenty-four thousand, eight hundred twenty-nine".