14004331221 has 16 divisors (see below), whose sum is σ = 18711777600. Its totient is φ = 9316576128.

The previous prime is 14004331219. The next prime is 14004331267. The reversal of 14004331221 is 12213340041.

It is not a de Polignac number, because 14004331221 - 2¹ = 14004331219 is a prime.

It is a super-2 number, since 2×14004331221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14004331321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335435 + ... + 4338663.

It is an arithmetic number, because the mean of its divisors is an integer number (1169486100).

Almost surely, 2^14004331221 is an apocalyptic number.

It is an amenable number.

14004331221 is a deficient number, since it is larger than the sum of its proper divisors (4707446379).

14004331221 is a wasteful number, since it uses less digits than its factorization.

14004331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14004331221 its reverse (12213340041), we get a palindrome (26217671262).

The spelling of 14004331221 in words is "fourteen billion, four million, three hundred thirty-one thousand, two hundred twenty-one".