22240635671 has 4 divisors (see below), whose sum is σ = 22241028000. Its totient is φ = 22240243344.

The previous prime is 22240635623. The next prime is 22240635701. The reversal of 22240635671 is 17653604222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17653604222 = 2 ⋅8826802111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22240635671 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 (22240635871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93071 + ... + 230528.

It is an arithmetic number, because the mean of its divisors is an integer number (5560257000).

Almost surely, 2^22240635671 is an apocalyptic number.

22240635671 is a deficient number, since it is larger than the sum of its proper divisors (392329).

22240635671 is an equidigital number, since it uses as much as digits as its factorization.

22240635671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392328.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 22240635671 in words is "twenty-two billion, two hundred forty million, six hundred thirty-five thousand, six hundred seventy-one".