14822721 has 12 divisors (see below), whose sum is σ = 21669648. Its totient is φ = 9762264.

The previous prime is 14822713. The next prime is 14822729. The reversal of 14822721 is 12722841.

It is an interprime number because it is at equal distance from previous prime (14822713) and next prime (14822729).

It is not a de Polignac number, because 14822721 - 2³ = 14822713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14822729) 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, 9175 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (1805804).

Almost surely, 2^14822721 is an apocalyptic number.

It is an amenable number.

14822721 is a deficient number, since it is larger than the sum of its proper divisors (6846927).

14822721 is a wasteful number, since it uses less digits than its factorization.

14822721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932 (or 19929 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 14822721 is about 3850.0287011917. The cubic root of 14822721 is about 245.6457820926.

The spelling of 14822721 in words is "fourteen million, eight hundred twenty-two thousand, seven hundred twenty-one".