2271071634 has 64 divisors (see below), whose sum is σ = 5161968000. Its totient is φ = 660344832.

The previous prime is 2271071623. The next prime is 2271071641. The reversal of 2271071634 is 4361701722.

It is a junction number, because it is equal to n+sod(n) for n = 2271071595 and 2271071604.

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 31 ways as a sum of consecutive naturals, for example, 663712 + ... + 667124.

It is an arithmetic number, because the mean of its divisors is an integer number (80655750).

Almost surely, 2^2271071634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271071634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580984000).

2271071634 is an abundant number, since it is smaller than the sum of its proper divisors (2890896366).

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

2271071634 is a wasteful number, since it uses less digits than its factorization.

2271071634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2271071634 is about 47655.7618132372. The cubic root of 2271071634 is about 1314.4486084342.

The spelling of 2271071634 in words is "two billion, two hundred seventy-one million, seventy-one thousand, six hundred thirty-four".