22070637871 has 4 divisors (see below), whose sum is σ = 22081085152. Its totient is φ = 22060190592.

The previous prime is 22070637863. The next prime is 22070637929. The reversal of 22070637871 is 17873607022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17873607022 = 2 ⋅8936803511.

It is a cyclic number.

It is not a de Polignac number, because 22070637871 - 2³ = 22070637863 is a prime.

It is a super-2 number, since 2×22070637871² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070637571) 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 3 ways as a sum of consecutive naturals, for example, 5220471 + ... + 5224696.

It is an arithmetic number, because the mean of its divisors is an integer number (5520271288).

Almost surely, 2^22070637871 is an apocalyptic number.

22070637871 is a deficient number, since it is larger than the sum of its proper divisors (10447281).

22070637871 is a wasteful number, since it uses less digits than its factorization.

22070637871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447280.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 22070637871 in words is "twenty-two billion, seventy million, six hundred thirty-seven thousand, eight hundred seventy-one".