22138754530 has 32 divisors (see below), whose sum is σ = 40463661168. Its totient is φ = 8719488000.

The previous prime is 22138754471. The next prime is 22138754569. The reversal of 22138754530 is 3545783122.

It can be written as a sum of positive squares in 8 ways, for example, as 17653639689 + 4485114841 = 132867^2 + 66971^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 413500 + ... + 463960.

Almost surely, 2^22138754530 is an apocalyptic number.

22138754530 is a deficient number, since it is larger than the sum of its proper divisors (18324906638).

22138754530 is a wasteful number, since it uses less digits than its factorization.

22138754530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51142.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 22138754530 in words is "twenty-two billion, one hundred thirty-eight million, seven hundred fifty-four thousand, five hundred thirty".