2280245 has 12 divisors (see below), whose sum is σ = 3008460. Its totient is φ = 1657920.

The previous prime is 2280221. The next prime is 2280253. The reversal of 2280245 is 5420822.

2280245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1385329 + 894916 = 1177^2 + 946^2 .

It is not a de Polignac number, because 2280245 - 2¹⁴ = 2263861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2280245.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1280 + ... + 2489.

It is an arithmetic number, because the mean of its divisors is an integer number (250705).

2^2280245 is an apocalyptic number.

It is an amenable number.

2280245 is a deficient number, since it is larger than the sum of its proper divisors (728215).

2280245 is a wasteful number, since it uses less digits than its factorization.

2280245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2280245 is about 1510.0480124817. The cubic root of 2280245 is about 131.6216014835.

The spelling of 2280245 in words is "two million, two hundred eighty thousand, two hundred forty-five".