2271523616 has 12 divisors (see below), whose sum is σ = 4472062182. Its totient is φ = 1135761792.

The previous prime is 2271523613. The next prime is 2271523693. The reversal of 2271523616 is 6163251722.

It can be written as a sum of positive squares in only one way, i.e., 1814419216 + 457104400 = 42596^2 + 21380^2 .

It is not an unprimeable number, because it can be changed into a prime (2271523613) 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 as a sum of consecutive naturals, namely, 35492525 + ... + 35492588.

Almost surely, 2^2271523616 is an apocalyptic number.

It is an amenable number.

2271523616 is a deficient number, since it is larger than the sum of its proper divisors (2200538566).

2271523616 is an equidigital number, since it uses as much as digits as its factorization.

2271523616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70985123 (or 70985115 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 2271523616 is about 47660.5037321260. The cubic root of 2271523616 is about 1314.5358018827.

The spelling of 2271523616 in words is "two billion, two hundred seventy-one million, five hundred twenty-three thousand, six hundred sixteen".