2271349 has 2 divisors, whose sum is σ = 2271350. Its totient is φ = 2271348.

The previous prime is 2271343. The next prime is 2271377. The reversal of 2271349 is 9431722.

It is an a-pointer prime, because the next prime (2271377) can be obtained adding 2271349 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 874225 = 1182^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271349 - 2³ = 2271341 is a prime.

It is equal to p₁₆₇₅₇₂ and since 2271349 and 167572 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135674 + 1135675.

It is an arithmetic number, because the mean of its divisors is an integer number (1135675).

2^2271349 is an apocalyptic number.

It is an amenable number.

2271349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271349 is an equidigital number, since it uses as much as digits as its factorization.

2271349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 2271349 is about 1507.0995322141. The cubic root of 2271349 is about 131.4502117463.

The spelling of 2271349 in words is "two million, two hundred seventy-one thousand, three hundred forty-nine".