22126132272 has 40 divisors (see below), whose sum is σ = 57271535280. Its totient is φ = 7360879360.

The previous prime is 22126132271. The next prime is 22126132277. The reversal of 22126132272 is 27223162122.

It is not an unprimeable number, because it can be changed into a prime (22126132271) 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 7 ways as a sum of consecutive naturals, for example, 428379 + ... + 477242.

It is an arithmetic number, because the mean of its divisors is an integer number (1431788382).

Almost surely, 2^22126132272 is an apocalyptic number.

It is an amenable number.

22126132272 is an abundant number, since it is smaller than the sum of its proper divisors (35145403008).

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

22126132272 is a wasteful number, since it uses less digits than its factorization.

22126132272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906141 (or 906135 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

Adding to 22126132272 its reverse (27223162122), we get a palindrome (49349294394).

The spelling of 22126132272 in words is "twenty-two billion, one hundred twenty-six million, one hundred thirty-two thousand, two hundred seventy-two".