14224042321 has 4 divisors (see below), whose sum is σ = 14492420532. Its totient is φ = 13955664112.

The previous prime is 14224042297. The next prime is 14224042337. The reversal of 14224042321 is 12324042241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12324042241 = 7 ⋅1760577463.

It can be written as a sum of positive squares in 2 ways, for example, as 10294131600 + 3929910721 = 101460^2 + 62689^2 .

It is a cyclic number.

It is not a de Polignac number, because 14224042321 - 2¹³ = 14224034129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14224042361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134189026 + ... + 134189131.

It is an arithmetic number, because the mean of its divisors is an integer number (3623105133).

Almost surely, 2^14224042321 is an apocalyptic number.

It is an amenable number.

14224042321 is a deficient number, since it is larger than the sum of its proper divisors (268378211).

14224042321 is an equidigital number, since it uses as much as digits as its factorization.

14224042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268378210.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14224042321 its reverse (12324042241), we get a palindrome (26548084562).

The spelling of 14224042321 in words is "fourteen billion, two hundred twenty-four million, forty-two thousand, three hundred twenty-one".