16227243 has 16 divisors (see below), whose sum is σ = 24372640. Its totient is φ = 10668672.

The previous prime is 16227241. The next prime is 16227287. The reversal of 16227243 is 34272261.

It is not a de Polignac number, because 16227243 - 2¹ = 16227241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16227241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (1523290).

Almost surely, 2^16227243 is an apocalyptic number.

16227243 is a deficient number, since it is larger than the sum of its proper divisors (8145397).

16227243 is an equidigital number, since it uses as much as digits as its factorization.

16227243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315 (or 8309 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 16227243 is about 4028.3052267672. The cubic root of 16227243 is about 253.1715574169.

The spelling of 16227243 in words is "sixteen million, two hundred twenty-seven thousand, two hundred forty-three".