16228233 has 12 divisors (see below), whose sum is σ = 26789568. Its totient is φ = 9273240.

The previous prime is 16228231. The next prime is 16228241. The reversal of 16228233 is 33282261.

16228233 is a `hidden beast` number, since 1 + 622 + 8 + 2 + 33 = 666.

It is not a de Polignac number, because 16228233 - 2¹ = 16228231 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16228197 and 16228206.

It is not an unprimeable number, because it can be changed into a prime (16228231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128733 + ... + 128858.

It is an arithmetic number, because the mean of its divisors is an integer number (2232464).

Almost surely, 2^16228233 is an apocalyptic number.

It is an amenable number.

16228233 is a deficient number, since it is larger than the sum of its proper divisors (10561335).

16228233 is a wasteful number, since it uses less digits than its factorization.

16228233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257604 (or 257601 counting only the distinct ones).

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

The square root of 16228233 is about 4028.4281053533. The cubic root of 16228233 is about 253.1767058525.

It can be divided in two parts, 16228 and 233, that added together give a palindrome (16461).

The spelling of 16228233 in words is "sixteen million, two hundred twenty-eight thousand, two hundred thirty-three".