16396228 has 24 divisors (see below), whose sum is σ = 31127544. Its totient is φ = 7526400.

The previous prime is 16396181. The next prime is 16396229. The reversal of 16396228 is 82269361.

It can be written as a sum of positive squares in 4 ways, for example, as 2985984 + 13410244 = 1728^2 + 3662^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16396229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 5728.

It is an arithmetic number, because the mean of its divisors is an integer number (1296981).

Almost surely, 2^16396228 is an apocalyptic number.

It is an amenable number.

16396228 is a deficient number, since it is larger than the sum of its proper divisors (14731316).

16396228 is a wasteful number, since it uses less digits than its factorization.

16396228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943 (or 5941 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 16396228 is about 4049.2256049768. The cubic root of 16396228 is about 254.0473386049.

The spelling of 16396228 in words is "sixteen million, three hundred ninety-six thousand, two hundred twenty-eight".