16386227 has 32 divisors (see below), whose sum is σ = 20939520. Its totient is φ = 12597120.

The previous prime is 16386217. The next prime is 16386233. The reversal of 16386227 is 72268361.

It is a happy number.

16386227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16386227 - 2⁴ = 16386211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16386217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100448 + ... + 100610.

It is an arithmetic number, because the mean of its divisors is an integer number (654360).

Almost surely, 2^16386227 is an apocalyptic number.

16386227 is a deficient number, since it is larger than the sum of its proper divisors (4553293).

16386227 is a wasteful number, since it uses less digits than its factorization.

16386227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 24192, while the sum is 35.

The square root of 16386227 is about 4047.9904891193. The cubic root of 16386227 is about 253.9956754177.

It can be divided in two parts, 163 and 86227, that multiplied together give a square (14055001 = 3749²).

The spelling of 16386227 in words is "sixteen million, three hundred eighty-six thousand, two hundred twenty-seven".