22571970905 has 8 divisors (see below), whose sum is σ = 29548761984. Its totient is φ = 16415978800.

The previous prime is 22571970871. The next prime is 22571970917. The reversal of 22571970905 is 50907917522.

It is a happy number.

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

It is not a de Polignac number, because 22571970905 - 2²⁰ = 22570922329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22571970905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205199681 + ... + 205199790.

It is an arithmetic number, because the mean of its divisors is an integer number (3693595248).

Almost surely, 2^22571970905 is an apocalyptic number.

It is an amenable number.

22571970905 is a deficient number, since it is larger than the sum of its proper divisors (6976791079).

22571970905 is a wasteful number, since it uses less digits than its factorization.

22571970905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410399487.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 22571970905 in words is "twenty-two billion, five hundred seventy-one million, nine hundred seventy thousand, nine hundred five".