14225435221 has 4 divisors (see below), whose sum is σ = 14715967500. Its totient is φ = 13734902944.

The previous prime is 14225435183. The next prime is 14225435233. The reversal of 14225435221 is 12253452241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3065836900 + 11159598321 = 55370^2 + 105639^2 .

It is a cyclic number.

It is not a de Polignac number, because 14225435221 - 2³¹ = 12077951573 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 (14225435281) 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, 245266096 + ... + 245266153.

It is an arithmetic number, because the mean of its divisors is an integer number (3678991875).

Almost surely, 2^14225435221 is an apocalyptic number.

It is an amenable number.

14225435221 is a deficient number, since it is larger than the sum of its proper divisors (490532279).

14225435221 is an equidigital number, since it uses as much as digits as its factorization.

14225435221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490532278.

The product of its digits is 19200, while the sum is 31.

Adding to 14225435221 its reverse (12253452241), we get a palindrome (26478887462).

The spelling of 14225435221 in words is "fourteen billion, two hundred twenty-five million, four hundred thirty-five thousand, two hundred twenty-one".