2144314021 has 8 divisors (see below), whose sum is σ = 2203024160. Its totient is φ = 2085643728.

The previous prime is 2144314013. The next prime is 2144314037. The reversal of 2144314021 is 1204134412.

It is a happy number.

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 2144314021 - 2³ = 2144314013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144313983 and 2144314001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144314001) 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, 123070 + ... + 139408.

It is an arithmetic number, because the mean of its divisors is an integer number (275378020).

Almost surely, 2^2144314021 is an apocalyptic number.

It is an amenable number.

2144314021 is a deficient number, since it is larger than the sum of its proper divisors (58710139).

2144314021 is a wasteful number, since it uses less digits than its factorization.

2144314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19923.

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

The square root of 2144314021 is about 46306.7383973434. The cubic root of 2144314021 is about 1289.5240960304.

Adding to 2144314021 its reverse (1204134412), we get a palindrome (3348448433).

The spelling of 2144314021 in words is "two billion, one hundred forty-four million, three hundred fourteen thousand, twenty-one".