2243775 has 12 divisors (see below), whose sum is σ = 3709832. Its totient is φ = 1196640.

The previous prime is 2243771. The next prime is 2243777. The reversal of 2243775 is 5773422.

It is not a de Polignac number, because 2243775 - 2² = 2243771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14884 + ... + 15033.

2^2243775 is an apocalyptic number.

2243775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2243775 is a deficient number, since it is larger than the sum of its proper divisors (1466057).

2243775 is a wasteful number, since it uses less digits than its factorization.

2243775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29930 (or 29925 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 2243775 is about 1497.9235628029. The cubic root of 2243775 is about 130.9161127950.

The spelling of 2243775 in words is "two million, two hundred forty-three thousand, seven hundred seventy-five".