16705227 has 24 divisors (see below), whose sum is σ = 28268352. Its totient is φ = 8677200.

The previous prime is 16705219. The next prime is 16705279. The reversal of 16705227 is 72250761.

It is not a de Polignac number, because 16705227 - 2³ = 16705219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16705194 and 16705203.

It is not an unprimeable number, because it can be changed into a prime (16705627) 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 23 ways as a sum of consecutive naturals, for example, 3549 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1177848).

Almost surely, 2^16705227 is an apocalyptic number.

16705227 is a deficient number, since it is larger than the sum of its proper divisors (11563125).

16705227 is a wasteful number, since it uses less digits than its factorization.

16705227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16705227 is about 4087.2028332345. The cubic root of 16705227 is about 255.6333200505.

Adding to 16705227 its reverse (72250761), we get a palindrome (88955988).

The spelling of 16705227 in words is "sixteen million, seven hundred five thousand, two hundred twenty-seven".