14221808 has 40 divisors (see below), whose sum is σ = 29033856. Its totient is φ = 6739200.

The previous prime is 14221799. The next prime is 14221813. The reversal of 14221808 is 80812241.

It is a congruent number.

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, 26018 + ... + 26558.

Almost surely, 2^14221808 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 14221808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14516928).

14221808 is an abundant number, since it is smaller than the sum of its proper divisors (14812048).

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

14221808 is a wasteful number, since it uses less digits than its factorization.

14221808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 14221808 is about 3771.1812473017. The cubic root of 14221808 is about 242.2803935265.

The spelling of 14221808 in words is "fourteen million, two hundred twenty-one thousand, eight hundred eight".