22787327912 has 96 divisors (see below), whose sum is σ = 46972499400. Its totient is φ = 10349434368.

The previous prime is 22787327911. The next prime is 22787328059. The reversal of 22787327912 is 21972378722.

It can be written as a sum of positive squares in 4 ways, for example, as 17257025956 + 5530301956 = 131366^2 + 74366^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22787327911) 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 23 ways as a sum of consecutive naturals, for example, 13148198 + ... + 13149930.

Almost surely, 2^22787327912 is an apocalyptic number.

It is an amenable number.

22787327912 is an abundant number, since it is smaller than the sum of its proper divisors (24185171488).

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

22787327912 is a wasteful number, since it uses less digits than its factorization.

22787327912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1940 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The spelling of 22787327912 in words is "twenty-two billion, seven hundred eighty-seven million, three hundred twenty-seven thousand, nine hundred twelve".