2270385 has 24 divisors (see below), whose sum is σ = 4239144. Its totient is φ = 1117440.

The previous prime is 2270383. The next prime is 2270393. The reversal of 2270385 is 5830722.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 2187441 = 288^2 + 1479^2 .

It is not a de Polignac number, because 2270385 - 2¹ = 2270383 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 7⁶ + 0 + 3⁹ + 8 + 5⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2270383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1356 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (176631).

2^2270385 is an apocalyptic number.

It is an amenable number.

2270385 is a deficient number, since it is larger than the sum of its proper divisors (1968759).

2270385 is a wasteful number, since it uses less digits than its factorization.

2270385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2270385 is about 1506.7796786525. The cubic root of 2270385 is about 131.4316125298.

It can be divided in two parts, 22 and 70385, that added together give a palindrome (70407).

The spelling of 2270385 in words is "two million, two hundred seventy thousand, three hundred eighty-five".