2144021330 has 32 divisors (see below), whose sum is σ = 4355259840. Its totient is φ = 752758720.

The previous prime is 2144021281. The next prime is 2144021333. The reversal of 2144021330 is 331204412.

It is not an unprimeable number, because it can be changed into a prime (2144021333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332864 + ... + 339243.

It is an arithmetic number, because the mean of its divisors is an integer number (136101870).

Almost surely, 2^2144021330 is an apocalyptic number.

2144021330 is an abundant number, since it is smaller than the sum of its proper divisors (2211238510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144021330 is a wasteful number, since it uses less digits than its factorization.

2144021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672154.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2144021330 is about 46303.5779395070. The cubic root of 2144021330 is about 1289.4654215907.

Adding to 2144021330 its reverse (331204412), we get a palindrome (2475225742).

The spelling of 2144021330 in words is "two billion, one hundred forty-four million, twenty-one thousand, three hundred thirty".