14715782221 has 8 divisors (see below), whose sum is σ = 16883478720. Its totient is φ = 12564446208.

The previous prime is 14715782201. The next prime is 14715782239. The reversal of 14715782221 is 12228751741.

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

It is a cyclic number.

It is not a de Polignac number, because 14715782221 - 2⁵ = 14715782189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14715782201) 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, 4088191 + ... + 4091788.

It is an arithmetic number, because the mean of its divisors is an integer number (2110434840).

Almost surely, 2^14715782221 is an apocalyptic number.

It is an amenable number.

14715782221 is a deficient number, since it is larger than the sum of its proper divisors (2167696499).

14715782221 is an equidigital number, since it uses as much as digits as its factorization.

14715782221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180243.

The product of its digits is 62720, while the sum is 40.

The spelling of 14715782221 in words is "fourteen billion, seven hundred fifteen million, seven hundred eighty-two thousand, two hundred twenty-one".