22748134387 has 8 divisors (see below), whose sum is σ = 24818258880. Its totient is φ = 20678361960.

The previous prime is 22748134369. The next prime is 22748134417. The reversal of 22748134387 is 78343184722.

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

It is a cyclic number.

It is not a de Polignac number, because 22748134387 - 2⁷ = 22748134259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22748134387.

It is not an unprimeable number, because it can be changed into a prime (22748134307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57568 + ... + 220930.

It is an arithmetic number, because the mean of its divisors is an integer number (3102282360).

Almost surely, 2^22748134387 is an apocalyptic number.

22748134387 is a deficient number, since it is larger than the sum of its proper divisors (2070124493).

22748134387 is a wasteful number, since it uses less digits than its factorization.

22748134387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176033.

The product of its digits is 1806336, while the sum is 49.

The spelling of 22748134387 in words is "twenty-two billion, seven hundred forty-eight million, one hundred thirty-four thousand, three hundred eighty-seven".