22840131871 has 4 divisors (see below), whose sum is σ = 22875764544. Its totient is φ = 22804499200.

The previous prime is 22840131863. The next prime is 22840131877. The reversal of 22840131871 is 17813104822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22840131871 - 2³ = 22840131863 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 22840131871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22840131877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17815375 + ... + 17816656.

It is an arithmetic number, because the mean of its divisors is an integer number (5718941136).

Almost surely, 2^22840131871 is an apocalyptic number.

22840131871 is a deficient number, since it is larger than the sum of its proper divisors (35632673).

22840131871 is an equidigital number, since it uses as much as digits as its factorization.

22840131871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35632672.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 22840131871 in words is "twenty-two billion, eight hundred forty million, one hundred thirty-one thousand, eight hundred seventy-one".