16233228 has 36 divisors (see below), whose sum is σ = 44765448. Its totient is φ = 4919040.

The previous prime is 16233199. The next prime is 16233247. The reversal of 16233228 is 82233261.

16233228 is a `hidden beast` number, since 1 + 623 + 32 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20101 + ... + 20892.

Almost surely, 2^16233228 is an apocalyptic number.

16233228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16233228 is an abundant number, since it is smaller than the sum of its proper divisors (28532220).

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

16233228 is a wasteful number, since it uses less digits than its factorization.

16233228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41014 (or 41009 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16233228 is about 4029.0480265194. The cubic root of 16233228 is about 253.2026788573.

Adding to 16233228 its reverse (82233261), we get a palindrome (98466489).

It can be divided in two parts, 16233 and 228, that added together give a palindrome (16461).

The spelling of 16233228 in words is "sixteen million, two hundred thirty-three thousand, two hundred twenty-eight".