16226305 has 8 divisors (see below), whose sum is σ = 19791144. Its totient is φ = 12768000.

The previous prime is 16226297. The next prime is 16226317. The reversal of 16226305 is 50362261.

It can be written as a sum of positive squares in 4 ways, for example, as 473344 + 15752961 = 688^2 + 3969^2 .

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

It is not a de Polignac number, because 16226305 - 2³ = 16226297 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 16226305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26296 + ... + 26905.

It is an arithmetic number, because the mean of its divisors is an integer number (2473893).

Almost surely, 2^16226305 is an apocalyptic number.

It is an amenable number.

16226305 is a deficient number, since it is larger than the sum of its proper divisors (3564839).

16226305 is an equidigital number, since it uses as much as digits as its factorization.

16226305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53267.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 16226305 is about 4028.1887989517. The cubic root of 16226305 is about 253.1666792111.

Adding to 16226305 its reverse (50362261), we get a palindrome (66588566).

The spelling of 16226305 in words is "sixteen million, two hundred twenty-six thousand, three hundred five".