14433132221 has 4 divisors (see below), whose sum is σ = 14433902652. Its totient is φ = 14432361792.

The previous prime is 14433132211. The next prime is 14433132253. The reversal of 14433132221 is 12223133441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12223133441 = 5507 ⋅2219563.

It can be written as a sum of positive squares in 2 ways, for example, as 8635984900 + 5797147321 = 92930^2 + 76139^2 .

It is a cyclic number.

It is not a de Polignac number, because 14433132221 - 2²² = 14428937917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14433132211) 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, 356396 + ... + 394821.

It is an arithmetic number, because the mean of its divisors is an integer number (3608475663).

Almost surely, 2^14433132221 is an apocalyptic number.

It is an amenable number.

14433132221 is a deficient number, since it is larger than the sum of its proper divisors (770431).

14433132221 is an equidigital number, since it uses as much as digits as its factorization.

14433132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770430.

The product of its digits is 3456, while the sum is 26.

Adding to 14433132221 its reverse (12223133441), we get a palindrome (26656265662).

The spelling of 14433132221 in words is "fourteen billion, four hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".