13816228 has 12 divisors (see below), whose sum is σ = 24259312. Its totient is φ = 6885000.

The previous prime is 13816217. The next prime is 13816241. The reversal of 13816228 is 82261831.

It is a super-2 number, since 2×13816228² = 381776312295968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13816228.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4398 + ... + 6853.

Almost surely, 2^13816228 is an apocalyptic number.

It is an amenable number.

13816228 is a deficient number, since it is larger than the sum of its proper divisors (10443084).

13816228 is a wasteful number, since it uses less digits than its factorization.

13816228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562 (or 11560 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 13816228 is about 3717.0186978276. The cubic root of 13816228 is about 239.9550147167.

The spelling of 13816228 in words is "thirteen million, eight hundred sixteen thousand, two hundred twenty-eight".