14221413220 has 96 divisors (see below), whose sum is σ = 35668942848. Its totient is φ = 4661096832.

The previous prime is 14221413163. The next prime is 14221413253. The reversal of 14221413220 is 2231412241.

It is a junction number, because it is equal to n+sod(n) for n = 14221413191 and 14221413200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257809 + ... + 308071.

It is an arithmetic number, because the mean of its divisors is an integer number (371551488).

Almost surely, 2^14221413220 is an apocalyptic number.

14221413220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14221413220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17834471424).

14221413220 is an abundant number, since it is smaller than the sum of its proper divisors (21447529628).

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

14221413220 is a wasteful number, since it uses less digits than its factorization.

14221413220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50369 (or 50367 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 14221413220 its reverse (2231412241), we get a palindrome (16452825461).

The spelling of 14221413220 in words is "fourteen billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred twenty".