14221423444 has 12 divisors (see below), whose sum is σ = 24892123284. Its totient is φ = 7109388224.

The previous prime is 14221423441. The next prime is 14221423459. The reversal of 14221423444 is 44432412241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1370480400 + 12850943044 = 37020^2 + 113362^2 .

It is a super-2 number, since 2×14221423444² (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 (14221423441) 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, 306499 + ... + 349834.

It is an arithmetic number, because the mean of its divisors is an integer number (2074343607).

Almost surely, 2^14221423444 is an apocalyptic number.

It is an amenable number.

14221423444 is a deficient number, since it is larger than the sum of its proper divisors (10670699840).

14221423444 is a wasteful number, since it uses less digits than its factorization.

14221423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661754 (or 661752 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

Adding to 14221423444 its reverse (44432412241), we get a palindrome (58653835685).

The spelling of 14221423444 in words is "fourteen billion, two hundred twenty-one million, four hundred twenty-three thousand, four hundred forty-four".