16012227 has 16 divisors (see below), whose sum is σ = 26618112. Its totient is φ = 8317920.

The previous prime is 16012219. The next prime is 16012247. The reversal of 16012227 is 72221061.

It is not a de Polignac number, because 16012227 - 2³ = 16012219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (16012207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34428 + ... + 34889.

It is an arithmetic number, because the mean of its divisors is an integer number (1663632).

Almost surely, 2^16012227 is an apocalyptic number.

16012227 is a deficient number, since it is larger than the sum of its proper divisors (10605885).

16012227 is a wasteful number, since it uses less digits than its factorization.

16012227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69338.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16012227 is about 4001.5280831202. The cubic root of 16012227 is about 252.0483813632.

Adding to 16012227 its reverse (72221061), we get a palindrome (88233288).

It can be divided in two parts, 1601 and 2227, that added together give a triangular number (3828 = T₈₇).

The spelling of 16012227 in words is "sixteen million, twelve thousand, two hundred twenty-seven".