2240965 has 4 divisors (see below), whose sum is σ = 2689164. Its totient is φ = 1792768.

The previous prime is 2240963. The next prime is 2240977. The reversal of 2240965 is 5690422.

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 1258884 + 982081 = 1122^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240965 - 2¹ = 2240963 is a prime.

It is a Duffinian number.

2240965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240963) 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, 224092 + ... + 224101.

It is an arithmetic number, because the mean of its divisors is an integer number (672291).

2^2240965 is an apocalyptic number.

It is an amenable number.

2240965 is a deficient number, since it is larger than the sum of its proper divisors (448199).

2240965 is an equidigital number, since it uses as much as digits as its factorization.

2240965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448198.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2240965 is about 1496.9853038691. The cubic root of 2240965 is about 130.8614388707.

The spelling of 2240965 in words is "two million, two hundred forty thousand, nine hundred sixty-five".