2271982891722 has 32 divisors (see below), whose sum is σ = 4640750641152. Its totient is φ = 741197548464.

The previous prime is 2271982891693. The next prime is 2271982891729.

2271982891722 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2271982891722² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2271982891729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21509883 + ... + 21615249.

It is an arithmetic number, because the mean of its divisors is an integer number (145023457536).

Almost surely, 2^{2271982891722} is an apocalyptic number.

2271982891722 is an abundant number, since it is smaller than the sum of its proper divisors (2368767749430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2271982891722 is a wasteful number, since it uses less digits than its factorization.

2271982891722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181882.

The product of its digits is 8128512, while the sum is 60.

The spelling of 2271982891722 in words is "two trillion, two hundred seventy-one billion, nine hundred eighty-two million, eight hundred ninety-one thousand, seven hundred twenty-two".