2271915 has 16 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 1211616.

The previous prime is 2271901. The next prime is 2271923. The reversal of 2271915 is 5191722.

2271915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2271915 - 2⁵ = 2271883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8280 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (252450).

2^2271915 is an apocalyptic number.

2271915 is a deficient number, since it is larger than the sum of its proper divisors (1767285).

2271915 is a wasteful number, since it uses less digits than its factorization.

2271915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16843 (or 16837 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2271915 is about 1507.2872984272. The cubic root of 2271915 is about 131.4611295813.

The spelling of 2271915 in words is "two million, two hundred seventy-one thousand, nine hundred fifteen".