22100001332 has 6 divisors (see below), whose sum is σ = 38675002338. Its totient is φ = 11050000664.

The previous prime is 22100001331. The next prime is 22100001353. The reversal of 22100001332 is 23310000122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14552561956 + 7547439376 = 120634^2 + 86876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100001331) 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 as a sum of consecutive naturals, namely, 2762500163 + ... + 2762500170.

It is an arithmetic number, because the mean of its divisors is an integer number (6445833723).

Almost surely, 2^22100001332 is an apocalyptic number.

It is an amenable number.

22100001332 is a deficient number, since it is larger than the sum of its proper divisors (16575001006).

22100001332 is a wasteful number, since it uses less digits than its factorization.

22100001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525000337 (or 5525000335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22100001332 its reverse (23310000122), we get a palindrome (45410001454).

The spelling of 22100001332 in words is "twenty-two billion, one hundred million, one thousand, three hundred thirty-two".