14228621 has 8 divisors (see below), whose sum is σ = 15660864. Its totient is φ = 12819520.

The previous prime is 14228593. The next prime is 14228623. The reversal of 14228621 is 12682241.

It is a happy number.

14228621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14228621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228623) 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, 4481 + ... + 6966.

It is an arithmetic number, because the mean of its divisors is an integer number (1957608).

Almost surely, 2^14228621 is an apocalyptic number.

14228621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14228621 is a deficient number, since it is larger than the sum of its proper divisors (1432243).

14228621 is a wasteful number, since it uses less digits than its factorization.

14228621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571.

The product of its digits is 1536, while the sum is 26.

The square root of 14228621 is about 3772.0844370189. The cubic root of 14228621 is about 242.3190757345.

The spelling of 14228621 in words is "fourteen million, two hundred twenty-eight thousand, six hundred twenty-one".