2271267 has 8 divisors (see below), whose sum is σ = 3364880. Its totient is φ = 1514160.

The previous prime is 2271263. The next prime is 2271271. The reversal of 2271267 is 7621722.

It is an interprime number because it is at equal distance from previous prime (2271263) and next prime (2271271).

It is not a de Polignac number, because 2271267 - 2² = 2271263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 84121 = 2271267 / (2 + 2 + 7 + 1 + 2 + 6 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2271267.

It is not an unprimeable number, because it can be changed into a prime (2271263) 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, 42034 + ... + 42087.

It is an arithmetic number, because the mean of its divisors is an integer number (420610).

2^2271267 is an apocalyptic number.

2271267 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2271267 is a deficient number, since it is larger than the sum of its proper divisors (1093613).

2271267 is an equidigital number, since it uses as much as digits as its factorization.

2271267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84130 (or 84124 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2271267 is about 1507.0723273951. The cubic root of 2271267 is about 131.4486298601.

Adding to 2271267 its reverse (7621722), we get a palindrome (9892989).

It can be divided in two parts, 22 and 71267, that added together give a square (71289 = 267²).

The spelling of 2271267 in words is "two million, two hundred seventy-one thousand, two hundred sixty-seven".