22031130132 has 72 divisors (see below), whose sum is σ = 61435221120. Its totient is φ = 6601077120.

The previous prime is 22031130091. The next prime is 22031130133. The reversal of 22031130132 is 23103113022.

22031130132 is a `hidden beast` number, since 2 + 20 + 311 + 301 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031130133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277308 + ... + 347795.

It is an arithmetic number, because the mean of its divisors is an integer number (853266960).

Almost surely, 2^22031130132 is an apocalyptic number.

22031130132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22031130132 is an abundant number, since it is smaller than the sum of its proper divisors (39404090988).

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

22031130132 is a wasteful number, since it uses less digits than its factorization.

22031130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625213 (or 625208 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22031130132 its reverse (23103113022), we get a palindrome (45134243154).

The spelling of 22031130132 in words is "twenty-two billion, thirty-one million, one hundred thirty thousand, one hundred thirty-two".