22044240005 has 8 divisors (see below), whose sum is σ = 26514183192. Its totient is φ = 17594661888.

The previous prime is 22044239933. The next prime is 22044240007. The reversal of 22044240005 is 50004244022.

It can be written as a sum of positive squares in 4 ways, for example, as 1191147169 + 20853092836 = 34513^2 + 144406^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044240005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044240007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088884 + ... + 5093213.

It is an arithmetic number, because the mean of its divisors is an integer number (3314272899).

Almost surely, 2^22044240005 is an apocalyptic number.

It is an amenable number.

22044240005 is a deficient number, since it is larger than the sum of its proper divisors (4469943187).

22044240005 is a wasteful number, since it uses less digits than its factorization.

22044240005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182535.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 22044240005 its reverse (50004244022), we get a palindrome (72048484027).

The spelling of 22044240005 in words is "twenty-two billion, forty-four million, two hundred forty thousand, five".