2271672515 has 64 divisors (see below), whose sum is σ = 3436680960. Its totient is φ = 1405501440.

The previous prime is 2271672511. The next prime is 2271672551. The reversal of 2271672515 is 5152761722.

It is not a de Polignac number, because 2271672515 - 2² = 2271672511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2271672511) 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 in 63 ways as a sum of consecutive naturals, for example, 2984735 + ... + 2985495.

It is an arithmetic number, because the mean of its divisors is an integer number (53698140).

Almost surely, 2^2271672515 is an apocalyptic number.

2271672515 is a deficient number, since it is larger than the sum of its proper divisors (1165008445).

2271672515 is a wasteful number, since it uses less digits than its factorization.

2271672515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its digits is 58800, while the sum is 38.

The square root of 2271672515 is about 47662.0657861155. The cubic root of 2271672515 is about 1314.5645239833.

The spelling of 2271672515 in words is "two billion, two hundred seventy-one million, six hundred seventy-two thousand, five hundred fifteen".