14421228 has 36 divisors (see below), whose sum is σ = 35524440. Its totient is φ = 4552704.

The previous prime is 14421227. The next prime is 14421233. The reversal of 14421228 is 82212441.

14421228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14421198 and 14421207.

It is not an unprimeable number, because it can be changed into a prime (14421221) 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, 2668 + ... + 5996.

It is an arithmetic number, because the mean of its divisors is an integer number (986790).

Almost surely, 2^14421228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14421228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17762220).

14421228 is an abundant number, since it is smaller than the sum of its proper divisors (21103212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14421228 is a wasteful number, since it uses less digits than its factorization.

14421228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3353 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 14421228 is about 3797.5291967278. The cubic root of 14421228 is about 243.4075701851.

Adding to 14421228 its reverse (82212441), we get a palindrome (96633669).

The spelling of 14421228 in words is "fourteen million, four hundred twenty-one thousand, two hundred twenty-eight".