22034378191871 has 4 divisors (see below), whose sum is σ = 22057499261232. Its totient is φ = 22011257122512.

The previous prime is 22034378191867. The next prime is 22034378191879. The reversal of 22034378191871 is 17819187343022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22034378191871 - 2² = 22034378191867 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 (22034378191879) 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, 11560533251 + ... + 11560535156.

It is an arithmetic number, because the mean of its divisors is an integer number (5514374815308).

Almost surely, 2^{22034378191871} is an apocalyptic number.

22034378191871 is a deficient number, since it is larger than the sum of its proper divisors (23121069361).

22034378191871 is an equidigital number, since it uses as much as digits as its factorization.

22034378191871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23121069360.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 22034378191871 in words is "twenty-two trillion, thirty-four billion, three hundred seventy-eight million, one hundred ninety-one thousand, eight hundred seventy-one".