14228140 has 24 divisors (see below), whose sum is σ = 29981952. Its totient is φ = 5671680.

The previous prime is 14228129. The next prime is 14228143. The reversal of 14228140 is 4182241.

14228140 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 (14228143) 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, 5685 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (1249248).

Almost surely, 2^14228140 is an apocalyptic number.

14228140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14228140 is an abundant number, since it is smaller than the sum of its proper divisors (15753812).

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

14228140 is a wasteful number, since it uses less digits than its factorization.

14228140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 14228140 is about 3772.0206786284. The cubic root of 14228140 is about 242.3163451633.

It can be divided in two parts, 142 and 28140, that added together give a palindrome (28282).

The spelling of 14228140 in words is "fourteen million, two hundred twenty-eight thousand, one hundred forty".