2271879 has 6 divisors (see below), whose sum is σ = 3281616. Its totient is φ = 1514580.

The previous prime is 2271877. The next prime is 2271881. The reversal of 2271879 is 9781722.

It is an interprime number because it is at equal distance from previous prime (2271877) and next prime (2271881).

It is not a de Polignac number, because 2271879 - 2¹ = 2271877 is a prime.

It is a super-2 number, since 2×2271879² = 10322868381282, which contains 22 as substring.

2271879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126207 + ... + 126224.

It is an arithmetic number, because the mean of its divisors is an integer number (546936).

2^2271879 is an apocalyptic number.

2271879 is a deficient number, since it is larger than the sum of its proper divisors (1009737).

2271879 is a wasteful number, since it uses less digits than its factorization.

2271879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252437 (or 252434 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2271879 is about 1507.2753563964. The cubic root of 2271879 is about 131.4604352147.

The spelling of 2271879 in words is "two million, two hundred seventy-one thousand, eight hundred seventy-nine".