2271881722 has 12 divisors (see below), whose sum is σ = 3745788858. Its totient is φ = 1032673400.

The previous prime is 2271881713. The next prime is 2271881767.

2271881722 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1917651681 + 354230041 = 43791^2 + 18821^2 .

It is a super-2 number, since 2×2271881722² = 10322893117515370568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4693729 + ... + 4694212.

Almost surely, 2^2271881722 is an apocalyptic number.

2271881722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2271881722 is a deficient number, since it is larger than the sum of its proper divisors (1473907136).

2271881722 is a wasteful number, since it uses less digits than its factorization.

2271881722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387965 (or 9387954 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 2271881722 is about 47664.2604264453. The cubic root of 2271881722 is about 1314.6048771676.

The spelling of 2271881722 in words is "two billion, two hundred seventy-one million, eight hundred eighty-one thousand, seven hundred twenty-two".