22132542536021 has 8 divisors (see below), whose sum is σ = 22248554888280. Its totient is φ = 22016543956992.

The previous prime is 22132542536009. The next prime is 22132542536119. The reversal of 22132542536021 is 12063524523122.

It can be written as a sum of positive squares in 4 ways, for example, as 2845425811921 + 19287116724100 = 1686839^2 + 4391710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22132542536021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132542536821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213116 + ... + 6656613.

It is an arithmetic number, because the mean of its divisors is an integer number (2781069361035).

Almost surely, 2^{22132542536021} is an apocalyptic number.

It is an amenable number.

22132542536021 is a deficient number, since it is larger than the sum of its proper divisors (116012352259).

22132542536021 is a wasteful number, since it uses less digits than its factorization.

22132542536021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886615.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 22132542536021 in words is "twenty-two trillion, one hundred thirty-two billion, five hundred forty-two million, five hundred thirty-six thousand, twenty-one".