2281265 has 8 divisors (see below), whose sum is σ = 3128640. Its totient is φ = 1564272.

The previous prime is 2281249. The next prime is 2281267. The reversal of 2281265 is 5621822.

2281265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2281265 - 2⁴ = 2281249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2281267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32555 + ... + 32624.

It is an arithmetic number, because the mean of its divisors is an integer number (391080).

2^2281265 is an apocalyptic number.

It is an amenable number.

2281265 is a deficient number, since it is larger than the sum of its proper divisors (847375).

2281265 is an equidigital number, since it uses as much as digits as its factorization.

2281265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65191.

The product of its digits is 1920, while the sum is 26.

The square root of 2281265 is about 1510.3857123265. The cubic root of 2281265 is about 131.6412242317.

It can be divided in two parts, 228 and 1265, that multiplied together give a triangular number (288420 = T₇₅₉).

The spelling of 2281265 in words is "two million, two hundred eighty-one thousand, two hundred sixty-five".