16225228 has 12 divisors (see below), whose sum is σ = 28444360. Its totient is φ = 8098272.

The previous prime is 16225213. The next prime is 16225241. The reversal of 16225228 is 82252261.

It is a junction number, because it is equal to n+sod(n) for n = 16225196 and 16225205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801 + ... + 5752.

Almost surely, 2^16225228 is an apocalyptic number.

It is an amenable number.

16225228 is a deficient number, since it is larger than the sum of its proper divisors (12219132).

16225228 is a wasteful number, since it uses less digits than its factorization.

16225228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176 (or 7174 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 16225228 is about 4028.0551138235. The cubic root of 16225228 is about 253.1610778835.

Adding to 16225228 its reverse (82252261), we get a palindrome (98477489).

The spelling of 16225228 in words is "sixteen million, two hundred twenty-five thousand, two hundred twenty-eight".