14425132221 has 6 divisors (see below), whose sum is σ = 20836302110. Its totient is φ = 9616754808.

The previous prime is 14425132217. The next prime is 14425132259. The reversal of 14425132221 is 12223152441.

14425132221 is a `hidden beast` number, since 1 + 4 + 425 + 13 + 2 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10665725625 + 3759406596 = 103275^2 + 61314^2 .

It is not a de Polignac number, because 14425132221 - 2² = 14425132217 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 (14425132201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801396226 + ... + 801396243.

Almost surely, 2^14425132221 is an apocalyptic number.

It is an amenable number.

14425132221 is a deficient number, since it is larger than the sum of its proper divisors (6411169889).

14425132221 is a wasteful number, since it uses less digits than its factorization.

14425132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602792475 (or 1602792472 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 14425132221 its reverse (12223152441), we get a palindrome (26648284662).

The spelling of 14425132221 in words is "fourteen billion, four hundred twenty-five million, one hundred thirty-two thousand, two hundred twenty-one".