14435442221 has 4 divisors (see below), whose sum is σ = 14452983072. Its totient is φ = 14417901372.

The previous prime is 14435442157. The next prime is 14435442227. The reversal of 14435442221 is 12224453441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14435442221 - 2⁶ = 14435442157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14435442227) 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, 8769191 + ... + 8770836.

It is an arithmetic number, because the mean of its divisors is an integer number (3613245768).

Almost surely, 2^14435442221 is an apocalyptic number.

It is an amenable number.

14435442221 is a deficient number, since it is larger than the sum of its proper divisors (17540851).

14435442221 is an equidigital number, since it uses as much as digits as its factorization.

14435442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17540850.

The product of its digits is 30720, while the sum is 32.

Adding to 14435442221 its reverse (12224453441), we get a palindrome (26659895662).

The spelling of 14435442221 in words is "fourteen billion, four hundred thirty-five million, four hundred forty-two thousand, two hundred twenty-one".