22809109021071 has 4 divisors (see below), whose sum is σ = 30412145361432. Its totient is φ = 15206072680712.

The previous prime is 22809109021063. The next prime is 22809109021073. The reversal of 22809109021071 is 17012090190822.

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 22809109021071 - 2³ = 22809109021063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22809109021073) 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, 3801518170176 + ... + 3801518170181.

It is an arithmetic number, because the mean of its divisors is an integer number (7603036340358).

Almost surely, 2^{22809109021071} is an apocalyptic number.

22809109021071 is a deficient number, since it is larger than the sum of its proper divisors (7603036340361).

22809109021071 is an equidigital number, since it uses as much as digits as its factorization.

22809109021071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603036340360.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 22809109021071 in words is "twenty-two trillion, eight hundred nine billion, one hundred nine million, twenty-one thousand, seventy-one".