14221928 has 32 divisors (see below), whose sum is σ = 32270400. Its totient is φ = 5736192.

The previous prime is 14221903. The next prime is 14221973. The reversal of 14221928 is 82912241.

It is a self number, because there is not a number n which added to its sum of digits gives 14221928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6518 + ... + 8421.

It is an arithmetic number, because the mean of its divisors is an integer number (1008450).

Almost surely, 2^14221928 is an apocalyptic number.

It is an amenable number.

14221928 is an abundant number, since it is smaller than the sum of its proper divisors (18048472).

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

14221928 is a wasteful number, since it uses less digits than its factorization.

14221928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14969 (or 14965 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 14221928 is about 3771.1971574024. The cubic root of 14221928 is about 242.2810749580.

The spelling of 14221928 in words is "fourteen million, two hundred twenty-one thousand, nine hundred twenty-eight".