16244219 has 2 divisors, whose sum is σ = 16244220. Its totient is φ = 16244218.

The previous prime is 16244203. The next prime is 16244243. The reversal of 16244219 is 91244261.

It is a weak prime.

It is an emirp because it is prime and its reverse (91244261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16244219 - 2⁴ = 16244203 is a prime.

It is a super-2 number, since 2×16244219² = 527749301839922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16244191 and 16244200.

It is not a weakly prime, because it can be changed into another prime (16244269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122109 + 8122110.

It is an arithmetic number, because the mean of its divisors is an integer number (8122110).

Almost surely, 2^16244219 is an apocalyptic number.

16244219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16244219 is an equidigital number, since it uses as much as digits as its factorization.

16244219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 16244219 is about 4030.4117655644. The cubic root of 16244219 is about 253.2598111129.

The spelling of 16244219 in words is "sixteen million, two hundred forty-four thousand, two hundred nineteen".