2144012522 has 4 divisors (see below), whose sum is σ = 3216018786. Its totient is φ = 1072006260.

The previous prime is 2144012491. The next prime is 2144012537. The reversal of 2144012522 is 2252104412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1771483921 + 372528601 = 42089^2 + 19301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536003129 + ... + 536003132.

Almost surely, 2^2144012522 is an apocalyptic number.

2144012522 is a deficient number, since it is larger than the sum of its proper divisors (1072006264).

2144012522 is a wasteful number, since it uses less digits than its factorization.

2144012522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072006263.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2144012522 is about 46303.4828279688. The cubic root of 2144012522 is about 1289.4636558080.

Adding to 2144012522 its reverse (2252104412), we get a palindrome (4396116934).

The spelling of 2144012522 in words is "two billion, one hundred forty-four million, twelve thousand, five hundred twenty-two".