22987031871 has 16 divisors (see below), whose sum is σ = 30739487744. Its totient is φ = 15279685344.

The previous prime is 22987031861. The next prime is 22987031897. The reversal of 22987031871 is 17813078922.

It is a happy number.

It is not a de Polignac number, because 22987031871 - 2¹⁵ = 22986999103 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 22987031871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22987031861) by changing a digit.

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, 2004165 + ... + 2015601.

It is an arithmetic number, because the mean of its divisors is an integer number (1921217984).

Almost surely, 2^22987031871 is an apocalyptic number.

22987031871 is a deficient number, since it is larger than the sum of its proper divisors (7752455873).

22987031871 is a wasteful number, since it uses less digits than its factorization.

22987031871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13350.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 22987031871 in words is "twenty-two billion, nine hundred eighty-seven million, thirty-one thousand, eight hundred seventy-one".