2144404522 has 8 divisors (see below), whose sum is σ = 3464038116. Its totient is φ = 989725152.

The previous prime is 2144404499. The next prime is 2144404547. The reversal of 2144404522 is 2254044412.

It can be written as a sum of positive squares in 2 ways, for example, as 2001578121 + 142826401 = 44739^2 + 11951^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41238523 + ... + 41238574.

Almost surely, 2^2144404522 is an apocalyptic number.

2144404522 is a deficient number, since it is larger than the sum of its proper divisors (1319633594).

2144404522 is a wasteful number, since it uses less digits than its factorization.

2144404522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82477112.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 2144404522 is about 46307.7155774283. The cubic root of 2144404522 is about 1289.5422372754.

Adding to 2144404522 its reverse (2254044412), we get a palindrome (4398448934).

The spelling of 2144404522 in words is "two billion, one hundred forty-four million, four hundred four thousand, five hundred twenty-two".