14221422202421 has 8 divisors (see below), whose sum is σ = 16813504081920. Its totient is φ = 11769452857008.

The previous prime is 14221422202369. The next prime is 14221422202423. The reversal of 14221422202421 is 12420222412241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-14221422202421 is a prime.

It is a super-2 number, since 2×14221422202421² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221422202423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35028133301 + ... + 35028133706.

It is an arithmetic number, because the mean of its divisors is an integer number (2101688010240).

Almost surely, 2^{14221422202421} is an apocalyptic number.

It is an amenable number.

14221422202421 is a deficient number, since it is larger than the sum of its proper divisors (2592081879499).

14221422202421 is an equidigital number, since it uses as much as digits as its factorization.

14221422202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70056267043.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 14221422202421 its reverse (12420222412241), we get a palindrome (26641644614662).

The spelling of 14221422202421 in words is "fourteen trillion, two hundred twenty-one billion, four hundred twenty-two million, two hundred two thousand, four hundred twenty-one".