16228118 has 4 divisors (see below), whose sum is σ = 24342180. Its totient is φ = 8114058.

The previous prime is 16228103. The next prime is 16228129. The reversal of 16228118 is 81182261.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4057028 + ... + 4057031.

It is an arithmetic number, because the mean of its divisors is an integer number (6085545).

Almost surely, 2^16228118 is an apocalyptic number.

16228118 is a deficient number, since it is larger than the sum of its proper divisors (8114062).

16228118 is an equidigital number, since it uses as much as digits as its factorization.

16228118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114061.

The product of its digits is 1536, while the sum is 29.

The square root of 16228118 is about 4028.4138317705. The cubic root of 16228118 is about 253.1761078127.

The spelling of 16228118 in words is "sixteen million, two hundred twenty-eight thousand, one hundred eighteen".