22113210132 has 36 divisors (see below), whose sum is σ = 60197073300. Its totient is φ = 6804064512.

The previous prime is 22113210131. The next prime is 22113210157. The reversal of 22113210132 is 23101231122.

22113210132 is a `hidden beast` number, since 2 + 211 + 321 + 0 + 132 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6726296196 + 15386913936 = 82014^2 + 124044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (22113210131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23624757 + ... + 23625692.

It is an arithmetic number, because the mean of its divisors is an integer number (1672140925).

Almost surely, 2^22113210132 is an apocalyptic number.

It is an amenable number.

22113210132 is an abundant number, since it is smaller than the sum of its proper divisors (38083863168).

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

22113210132 is a wasteful number, since it uses less digits than its factorization.

22113210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47250472 (or 47250467 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22113210132 its reverse (23101231122), we get a palindrome (45214441254).

The spelling of 22113210132 in words is "twenty-two billion, one hundred thirteen million, two hundred ten thousand, one hundred thirty-two".