2271886662863 has 4 divisors (see below), whose sum is σ = 2292729659880. Its totient is φ = 2251043665848.

The previous prime is 2271886662821. The next prime is 2271886662949. The reversal of 2271886662863 is 3682666881722.

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 2271886662863 - 2²⁴ = 2271869885647 is a prime.

It is a super-2 number, since 2×2271886662863² (a number of 26 digits) contains 22 as substring.

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 2271886662863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271886665863) 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, 10421498345 + ... + 10421498562.

It is an arithmetic number, because the mean of its divisors is an integer number (573182414970).

Almost surely, 2^{2271886662863} is an apocalyptic number.

2271886662863 is a deficient number, since it is larger than the sum of its proper divisors (20842997017).

2271886662863 is a wasteful number, since it uses less digits than its factorization.

2271886662863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20842997016.

The product of its digits is 111476736, while the sum is 65.

The spelling of 2271886662863 in words is "two trillion, two hundred seventy-one billion, eight hundred eighty-six million, six hundred sixty-two thousand, eight hundred sixty-three".