16712226 has 12 divisors (see below), whose sum is σ = 36209862. Its totient is φ = 5570736.

The previous prime is 16712221. The next prime is 16712243. The reversal of 16712226 is 62221761.

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 3426201 = 3645^2 + 1851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16712226.

It is not an unprimeable number, because it can be changed into a prime (16712221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464211 + ... + 464246.

Almost surely, 2^16712226 is an apocalyptic number.

16712226 is an abundant number, since it is smaller than the sum of its proper divisors (19497636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16712226 is a wasteful number, since it uses less digits than its factorization.

16712226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928465 (or 928462 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 16712226 is about 4088.0589526082. The cubic root of 16712226 is about 255.6690160195.

Adding to 16712226 its reverse (62221761), we get a palindrome (78933987).

The spelling of 16712226 in words is "sixteen million, seven hundred twelve thousand, two hundred twenty-six".