2275745 has 4 divisors (see below), whose sum is σ = 2730900. Its totient is φ = 1820592.

The previous prime is 2275733. The next prime is 2275747. The reversal of 2275745 is 5475722.

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 760384 + 1515361 = 872^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275745 - 2⁶ = 2275681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2275747) 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, 227570 + ... + 227579.

It is an arithmetic number, because the mean of its divisors is an integer number (682725).

2^2275745 is an apocalyptic number.

It is an amenable number.

2275745 is a deficient number, since it is larger than the sum of its proper divisors (455155).

2275745 is an equidigital number, since it uses as much as digits as its factorization.

2275745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455154.

The product of its digits is 19600, while the sum is 32.

The square root of 2275745 is about 1508.5572577798. The cubic root of 2275745 is about 131.5349606092.

The spelling of 2275745 in words is "two million, two hundred seventy-five thousand, seven hundred forty-five".