16228329 has 16 divisors (see below), whose sum is σ = 23846592. Its totient is φ = 9753408.

The previous prime is 16228321. The next prime is 16228343. The reversal of 16228329 is 92382261.

It is a happy number.

It is not a de Polignac number, because 16228329 - 2³ = 16228321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16228329.

It is not an unprimeable number, because it can be changed into a prime (16228321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (1490412).

Almost surely, 2^16228329 is an apocalyptic number.

It is an amenable number.

16228329 is a deficient number, since it is larger than the sum of its proper divisors (7618263).

16228329 is a wasteful number, since it uses less digits than its factorization.

16228329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736.

The product of its digits is 10368, while the sum is 33.

The square root of 16228329 is about 4028.4400206532. The cubic root of 16228329 is about 253.1772050836.

The spelling of 16228329 in words is "sixteen million, two hundred twenty-eight thousand, three hundred twenty-nine".