16227716 has 12 divisors (see below), whose sum is σ = 28430220. Its totient is φ = 8104800.

The previous prime is 16227709. The next prime is 16227721. The reversal of 16227716 is 61772261.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 5271616 = 3310^2 + 2296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (2369185).

Almost surely, 2^16227716 is an apocalyptic number.

It is an amenable number.

16227716 is a deficient number, since it is larger than the sum of its proper divisors (12202504).

16227716 is a wasteful number, since it uses less digits than its factorization.

16227716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4532 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 16227716 is about 4028.3639358926. The cubic root of 16227716 is about 253.1740172512.

Adding to 16227716 its reverse (61772261), we get a palindrome (77999977).

The spelling of 16227716 in words is "sixteen million, two hundred twenty-seven thousand, seven hundred sixteen".