22660978271 has 4 divisors (see below), whose sum is σ = 22699583592. Its totient is φ = 22622372952.

The previous prime is 22660978261. The next prime is 22660978309. The reversal of 22660978271 is 17287906622.

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 22660978271 - 2³⁴ = 5481109087 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 (22660978261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19301780 + ... + 19302953.

It is an arithmetic number, because the mean of its divisors is an integer number (5674895898).

Almost surely, 2^22660978271 is an apocalyptic number.

22660978271 is a deficient number, since it is larger than the sum of its proper divisors (38605321).

22660978271 is an equidigital number, since it uses as much as digits as its factorization.

22660978271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38605320.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 22660978271 in words is "twenty-two billion, six hundred sixty million, nine hundred seventy-eight thousand, two hundred seventy-one".