22131230132 has 24 divisors (see below), whose sum is σ = 42411200832. Its totient is φ = 10021395200.

The previous prime is 22131230047. The next prime is 22131230171. The reversal of 22131230132 is 23103213122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944669 + ... + 967812.

It is an arithmetic number, because the mean of its divisors is an integer number (1767133368).

Almost surely, 2^22131230132 is an apocalyptic number.

22131230132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22131230132 is a deficient number, since it is larger than the sum of its proper divisors (20279970700).

22131230132 is a wasteful number, since it uses less digits than its factorization.

22131230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912759 (or 1912757 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22131230132 its reverse (23103213122), we get a palindrome (45234443254).

The spelling of 22131230132 in words is "twenty-two billion, one hundred thirty-one million, two hundred thirty thousand, one hundred thirty-two".