2261271 has 8 divisors (see below), whose sum is σ = 3034864. Its totient is φ = 1497600.

The previous prime is 2261269. The next prime is 2261297. The reversal of 2261271 is 1721622.

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

It is not a de Polignac number, because 2261271 - 2¹ = 2261269 is a prime.

It is a super-2 number, since 2×2261271² = 10226693070882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261071) 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, 1930 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (379358).

2^2261271 is an apocalyptic number.

2261271 is a deficient number, since it is larger than the sum of its proper divisors (773593).

2261271 is a wasteful number, since it uses less digits than its factorization.

2261271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961.

The product of its digits is 336, while the sum is 21.

The square root of 2261271 is about 1503.7523067314. The cubic root of 2261271 is about 131.2555081589.

Adding to 2261271 its reverse (1721622), we get a palindrome (3982893).

It can be divided in two parts, 226127 and 1, that added together give a triangular number (226128 = T₆₇₂).

The spelling of 2261271 in words is "two million, two hundred sixty-one thousand, two hundred seventy-one".