22440143210 has 8 divisors (see below), whose sum is σ = 40392257796. Its totient is φ = 8976057280.

The previous prime is 22440143171. The next prime is 22440143213. The reversal of 22440143210 is 1234104422.

It can be written as a sum of positive squares in 2 ways, for example, as 22439141209 + 1002001 = 149797^2 + 1001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22440143213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122007151 + ... + 1122007170.

Almost surely, 2^22440143210 is an apocalyptic number.

22440143210 is a deficient number, since it is larger than the sum of its proper divisors (17952114586).

22440143210 is a wasteful number, since it uses less digits than its factorization.

22440143210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244014328.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22440143210 its reverse (1234104422), we get a palindrome (23674247632).

The spelling of 22440143210 in words is "twenty-two billion, four hundred forty million, one hundred forty-three thousand, two hundred ten".