14522214221 has 4 divisors (see below), whose sum is σ = 14563825500. Its totient is φ = 14480602944.

The previous prime is 14522214163. The next prime is 14522214293. The reversal of 14522214221 is 12241222541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13256989321 + 1265224900 = 115139^2 + 35570^2 .

It is a cyclic number.

It is not a de Polignac number, because 14522214221 - 2³⁰ = 13448472397 is a prime.

It is a super-2 number, since 2×14522214221² (a number of 21 digits) contains 22 as substring.

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 (14522210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20805116 + ... + 20805813.

It is an arithmetic number, because the mean of its divisors is an integer number (3640956375).

Almost surely, 2^14522214221 is an apocalyptic number.

It is an amenable number.

14522214221 is a deficient number, since it is larger than the sum of its proper divisors (41611279).

14522214221 is an equidigital number, since it uses as much as digits as its factorization.

14522214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41611278.

The product of its digits is 2560, while the sum is 26.

Adding to 14522214221 its reverse (12241222541), we get a palindrome (26763436762).

The spelling of 14522214221 in words is "fourteen billion, five hundred twenty-two million, two hundred fourteen thousand, two hundred twenty-one".