22211022132 has 36 divisors (see below), whose sum is σ = 60463339300. Its totient is φ = 6834160512.

The previous prime is 22211022083. The next prime is 22211022139. The reversal of 22211022132 is 23122011222.

It can be written as a sum of positive squares in 2 ways, for example, as 12623870736 + 9587151396 = 112356^2 + 97914^2 .

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 (22211022139) 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 11 ways as a sum of consecutive naturals, for example, 23729257 + ... + 23730192.

Almost surely, 2^22211022132 is an apocalyptic number.

It is an amenable number.

22211022132 is an abundant number, since it is smaller than the sum of its proper divisors (38252317168).

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

22211022132 is a wasteful number, since it uses less digits than its factorization.

22211022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47459472 (or 47459467 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22211022132 its reverse (23122011222), we get a palindrome (45333033354).

The spelling of 22211022132 in words is "twenty-two billion, two hundred eleven million, twenty-two thousand, one hundred thirty-two".