22242816544 has 24 divisors (see below), whose sum is σ = 47159049420. Its totient is φ = 10265915136.

The previous prime is 22242816523. The next prime is 22242816559. The reversal of 22242816544 is 44561824222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22206960400 + 35856144 = 149020^2 + 5988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22242816497 and 22242816506.

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, 26733739 + ... + 26734570.

Almost surely, 2^22242816544 is an apocalyptic number.

It is an amenable number.

22242816544 is an abundant number, since it is smaller than the sum of its proper divisors (24916232876).

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

22242816544 is a wasteful number, since it uses less digits than its factorization.

22242816544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53468332 (or 53468324 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The spelling of 22242816544 in words is "twenty-two billion, two hundred forty-two million, eight hundred sixteen thousand, five hundred forty-four".