16228394 has 48 divisors (see below), whose sum is σ = 31798080. Its totient is φ = 6082128.

The previous prime is 16228361. The next prime is 16228397. The reversal of 16228394 is 49382261.

16228394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16228397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 854117 + ... + 854135.

It is an arithmetic number, because the mean of its divisors is an integer number (662460).

Almost surely, 2^16228394 is an apocalyptic number.

16228394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16228394 is a deficient number, since it is larger than the sum of its proper divisors (15569686).

16228394 is an equidigital number, since it uses as much as digits as its factorization.

16228394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 41 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 16228394 is about 4028.4480882841. The cubic root of 16228394 is about 253.1775431035.

The spelling of 16228394 in words is "sixteen million, two hundred twenty-eight thousand, three hundred ninety-four".