22400131312 has 40 divisors (see below), whose sum is σ = 46750445280. Its totient is φ = 10335932160.

The previous prime is 22400131291. The next prime is 22400131357. The reversal of 22400131312 is 21313100422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22400131312.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1002114 + ... + 1024222.

It is an arithmetic number, because the mean of its divisors is an integer number (1168761132).

Almost surely, 2^22400131312 is an apocalyptic number.

It is an amenable number.

22400131312 is an abundant number, since it is smaller than the sum of its proper divisors (24350313968).

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

22400131312 is a wasteful number, since it uses less digits than its factorization.

22400131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27001 (or 26995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22400131312 its reverse (21313100422), we get a palindrome (43713231734).

The spelling of 22400131312 in words is "twenty-two billion, four hundred million, one hundred thirty-one thousand, three hundred twelve".