14221132220 has 24 divisors (see below), whose sum is σ = 30054603264. Its totient is φ = 5652219456.

The previous prime is 14221132183. The next prime is 14221132253. The reversal of 14221132220 is 2223112241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14221132192 and 14221132201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261372 + ... + 2267651.

It is an arithmetic number, because the mean of its divisors is an integer number (1252275136).

Almost surely, 2^14221132220 is an apocalyptic number.

14221132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14221132220 is an abundant number, since it is smaller than the sum of its proper divisors (15833471044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221132220 is a wasteful number, since it uses less digits than its factorization.

14221132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529189 (or 4529187 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14221132220 its reverse (2223112241), we get a palindrome (16444244461).

The spelling of 14221132220 in words is "fourteen billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred twenty".