22321012132 has 6 divisors (see below), whose sum is σ = 39061771238. Its totient is φ = 11160506064.

The previous prime is 22321012123. The next prime is 22321012139. The reversal of 22321012132 is 23121012322.

It can be written as a sum of positive squares in only one way, i.e., 18819449856 + 3501562276 = 137184^2 + 59174^2 .

It is a super-3 number, since 3×22321012132³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321012139) 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 as a sum of consecutive naturals, namely, 2790126513 + ... + 2790126520.

Almost surely, 2^22321012132 is an apocalyptic number.

It is an amenable number.

22321012132 is a deficient number, since it is larger than the sum of its proper divisors (16740759106).

22321012132 is a wasteful number, since it uses less digits than its factorization.

22321012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580253037 (or 5580253035 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22321012132 its reverse (23121012322), we get a palindrome (45442024454).

The spelling of 22321012132 in words is "twenty-two billion, three hundred twenty-one million, twelve thousand, one hundred thirty-two".