2271005995 has 4 divisors (see below), whose sum is σ = 2725207200. Its totient is φ = 1816804792.

The previous prime is 2271005977. The next prime is 2271006007. The reversal of 2271005995 is 5995001722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5995001722 = 2 ⋅2997500861.

It is a cyclic number.

It is not a de Polignac number, because 2271005995 - 2¹⁵ = 2270973227 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 227100595 + ... + 227100604.

It is an arithmetic number, because the mean of its divisors is an integer number (681301800).

Almost surely, 2^2271005995 is an apocalyptic number.

2271005995 is a deficient number, since it is larger than the sum of its proper divisors (454201205).

2271005995 is an equidigital number, since it uses as much as digits as its factorization.

2271005995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454201204.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 2271005995 is about 47655.0731297309. The cubic root of 2271005995 is about 1314.4359448202.

The spelling of 2271005995 in words is "two billion, two hundred seventy-one million, five thousand, nine hundred ninety-five".