14222403221 has 4 divisors (see below), whose sum is σ = 15316434252. Its totient is φ = 13128372192.

The previous prime is 14222403131. The next prime is 14222403233. The reversal of 14222403221 is 12230422241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12230422241 = 9941 ⋅1230301.

It can be written as a sum of positive squares in 2 ways, for example, as 3999171121 + 10223232100 = 63239^2 + 101110^2 .

It is not a de Polignac number, because 14222403221 - 2¹⁴ = 14222386837 is a prime.

It is a super-2 number, since 2×14222403221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14222403521) 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, 547015496 + ... + 547015521.

It is an arithmetic number, because the mean of its divisors is an integer number (3829108563).

Almost surely, 2^14222403221 is an apocalyptic number.

It is an amenable number.

14222403221 is a deficient number, since it is larger than the sum of its proper divisors (1094031031).

14222403221 is a wasteful number, since it uses less digits than its factorization.

14222403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094031030.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 14222403221 its reverse (12230422241), we get a palindrome (26452825462).

The spelling of 14222403221 in words is "fourteen billion, two hundred twenty-two million, four hundred three thousand, two hundred twenty-one".