14221819901 has 4 divisors (see below), whose sum is σ = 14227573212. Its totient is φ = 14216066592.

The previous prime is 14221819883. The next prime is 14221819939. The reversal of 14221819901 is 10991812241.

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 11768995225 + 2452824676 = 108485^2 + 49526^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221819901 - 2¹⁴ = 14221803517 is a prime.

It is a super-2 number, since 2×14221819901² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221819201) 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, 2872946 + ... + 2877891.

It is an arithmetic number, because the mean of its divisors is an integer number (3556893303).

Almost surely, 2^14221819901 is an apocalyptic number.

It is an amenable number.

14221819901 is a deficient number, since it is larger than the sum of its proper divisors (5753311).

14221819901 is an equidigital number, since it uses as much as digits as its factorization.

14221819901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753310.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 14221819901 in words is "fourteen billion, two hundred twenty-one million, eight hundred nineteen thousand, nine hundred one".