14244302421 has 12 divisors (see below), whose sum is σ = 21053594848. Its totient is φ = 9275359464.

The previous prime is 14244302417. The next prime is 14244302467. The reversal of 14244302421 is 12420344241.

It is not a de Polignac number, because 14244302421 - 2² = 14244302417 is a prime.

It is a super-2 number, since 2×14244302421² (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 (14244302521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18403105 + ... + 18403878.

Almost surely, 2^14244302421 is an apocalyptic number.

It is an amenable number.

14244302421 is a deficient number, since it is larger than the sum of its proper divisors (6809292427).

14244302421 is a wasteful number, since it uses less digits than its factorization.

14244302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36807032 (or 36807029 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 14244302421 its reverse (12420344241), we get a palindrome (26664646662).

The spelling of 14244302421 in words is "fourteen billion, two hundred forty-four million, three hundred two thousand, four hundred twenty-one".