2271485 has 4 divisors (see below), whose sum is σ = 2725788. Its totient is φ = 1817184.

The previous prime is 2271481. The next prime is 2271497. The reversal of 2271485 is 5841722.

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 534361 + 1737124 = 731^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271485 - 2² = 2271481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271481) 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, 227144 + ... + 227153.

It is an arithmetic number, because the mean of its divisors is an integer number (681447).

2^2271485 is an apocalyptic number.

It is an amenable number.

2271485 is a deficient number, since it is larger than the sum of its proper divisors (454303).

2271485 is an equidigital number, since it uses as much as digits as its factorization.

2271485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454302.

The product of its digits is 4480, while the sum is 29.

The square root of 2271485 is about 1507.1446513192. The cubic root of 2271485 is about 131.4528352785.

The spelling of 2271485 in words is "two million, two hundred seventy-one thousand, four hundred eighty-five".