14400044221 has 8 divisors (see below), whose sum is σ = 14897950200. Its totient is φ = 13902228480.

The previous prime is 14400044213. The next prime is 14400044251. The reversal of 14400044221 is 12244000441.

It can be written as a sum of positive squares in 4 ways, for example, as 2511412996 + 11888631225 = 50114^2 + 109035^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14400044221 - 2³ = 14400044213 is a prime.

It is a super-2 number, since 2×14400044221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14400044192 and 14400044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400044251) 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, 541525 + ... + 567493.

It is an arithmetic number, because the mean of its divisors is an integer number (1862243775).

Almost surely, 2^14400044221 is an apocalyptic number.

It is an amenable number.

14400044221 is a deficient number, since it is larger than the sum of its proper divisors (497905979).

14400044221 is a wasteful number, since it uses less digits than its factorization.

14400044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45119.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 14400044221 its reverse (12244000441), we get a palindrome (26644044662).

The spelling of 14400044221 in words is "fourteen billion, four hundred million, forty-four thousand, two hundred twenty-one".