2182256071 has 4 divisors (see below), whose sum is σ = 2212992144. Its totient is φ = 2151520000.

The previous prime is 2182256057. The next prime is 2182256143. The reversal of 2182256071 is 1706522812.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2182256071 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 (2182256371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15367930 + ... + 15368071.

It is an arithmetic number, because the mean of its divisors is an integer number (553248036).

Almost surely, 2^2182256071 is an apocalyptic number.

2182256071 is a deficient number, since it is larger than the sum of its proper divisors (30736073).

2182256071 is an equidigital number, since it uses as much as digits as its factorization.

2182256071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30736072.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2182256071 is about 46714.6237381829. The cubic root of 2182256071 is about 1297.0853975583.

Adding to 2182256071 its reverse (1706522812), we get a palindrome (3888778883).

The spelling of 2182256071 in words is "two billion, one hundred eighty-two million, two hundred fifty-six thousand, seventy-one".