2271449 has 4 divisors (see below), whose sum is σ = 2294964. Its totient is φ = 2247936.

The previous prime is 2271443. The next prime is 2271473. The reversal of 2271449 is 9441722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 990025 + 1281424 = 995^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271449 - 2⁴ = 2271433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11612 + ... + 11805.

It is an arithmetic number, because the mean of its divisors is an integer number (573741).

2^2271449 is an apocalyptic number.

It is an amenable number.

2271449 is a deficient number, since it is larger than the sum of its proper divisors (23515).

2271449 is an equidigital number, since it uses as much as digits as its factorization.

2271449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23514.

The product of its digits is 4032, while the sum is 29.

The square root of 2271449 is about 1507.1327081581. The cubic root of 2271449 is about 131.4521408243.

The spelling of 2271449 in words is "two million, two hundred seventy-one thousand, four hundred forty-nine".