2144333330 has 8 divisors (see below), whose sum is σ = 3859800012. Its totient is φ = 857733328.

The previous prime is 2144333291. The next prime is 2144333339. The reversal of 2144333330 is 333334412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2132684761 + 11648569 = 46181^2 + 3413^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144333330.

It is not an unprimeable number, because it can be changed into a prime (2144333339) 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, 107216657 + ... + 107216676.

Almost surely, 2^2144333330 is an apocalyptic number.

2144333330 is a deficient number, since it is larger than the sum of its proper divisors (1715466682).

2144333330 is a wasteful number, since it uses less digits than its factorization.

2144333330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214433340.

The product of its (nonzero) digits is 7776, while the sum is 26.

The square root of 2144333330 is about 46306.9468870492. The cubic root of 2144333330 is about 1289.5279666304.

Adding to 2144333330 its reverse (333334412), we get a palindrome (2477667742).

The spelling of 2144333330 in words is "two billion, one hundred forty-four million, three hundred thirty-three thousand, three hundred thirty".