2271099 has 8 divisors (see below), whose sum is σ = 3073600. Its totient is φ = 1491336.

The previous prime is 2271083. The next prime is 2271107. The reversal of 2271099 is 9901722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2271099 - 2⁴ = 2271083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271499) 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 in 7 ways as a sum of consecutive naturals, for example, 5449 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (384200).

2^2271099 is an apocalyptic number.

2271099 is a deficient number, since it is larger than the sum of its proper divisors (802501).

2271099 is a wasteful number, since it uses less digits than its factorization.

2271099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2271099 is about 1507.0165891589. The cubic root of 2271099 is about 131.4453888035.

It can be divided in two parts, 227 and 1099, that added together give a triangular number (1326 = T₅₁).

The spelling of 2271099 in words is "two million, two hundred seventy-one thousand, ninety-nine".