22220222132 has 12 divisors (see below), whose sum is σ = 38888163300. Its totient is φ = 11109318336.

The previous prime is 22220222131. The next prime is 22220222161. The reversal of 22220222132 is 23122202222.

It can be written as a sum of positive squares in 2 ways, for example, as 11993754256 + 10226467876 = 109516^2 + 101126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220222131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 132713 + ... + 249104.

It is an arithmetic number, because the mean of its divisors is an integer number (3240680275).

Almost surely, 2^22220222132 is an apocalyptic number.

It is an amenable number.

22220222132 is a deficient number, since it is larger than the sum of its proper divisors (16667941168).

22220222132 is a wasteful number, since it uses less digits than its factorization.

22220222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396370 (or 396368 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22220222132 its reverse (23122202222), we get a palindrome (45342424354).

The spelling of 22220222132 in words is "twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred thirty-two".