2271147664 has 10 divisors (see below), whose sum is σ = 4400348630. Its totient is φ = 1135573824.

The previous prime is 2271147661. The next prime is 2271147733. The reversal of 2271147664 is 4667411722.

It can be written as a sum of positive squares in only one way, i.e., 2257010064 + 14137600 = 47508^2 + 3760^2 .

It is a super-2 number, since 2×2271147664² = 10316223423385313792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2271147661) by changing a digit.

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 as a sum of consecutive naturals, namely, 70973349 + ... + 70973380.

It is an arithmetic number, because the mean of its divisors is an integer number (440034863).

Almost surely, 2^2271147664 is an apocalyptic number.

It is an amenable number.

2271147664 is a deficient number, since it is larger than the sum of its proper divisors (2129200966).

2271147664 is a wasteful number, since it uses less digits than its factorization.

2271147664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141946737 (or 141946731 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 2271147664 is about 47656.5595065359. The cubic root of 2271147664 is about 1314.4632764601.

The spelling of 2271147664 in words is "two billion, two hundred seventy-one million, one hundred forty-seven thousand, six hundred sixty-four".