2271279 has 8 divisors (see below), whose sum is σ = 3187840. Its totient is φ = 1434456.

The previous prime is 2271271. The next prime is 2271281. The reversal of 2271279 is 9721722.

It is a happy number.

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

It is not a de Polignac number, because 2271279 - 2³ = 2271271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19867 + ... + 19980.

It is an arithmetic number, because the mean of its divisors is an integer number (398480).

2^2271279 is an apocalyptic number.

2271279 is a deficient number, since it is larger than the sum of its proper divisors (916561).

2271279 is a wasteful number, since it uses less digits than its factorization.

2271279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39869.

The product of its digits is 3528, while the sum is 30.

The square root of 2271279 is about 1507.0763086188. The cubic root of 2271279 is about 131.4488613580.

It can be divided in two parts, 22712 and 79, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 2271279 in words is "two million, two hundred seventy-one thousand, two hundred seventy-nine".