2243867 has 4 divisors (see below), whose sum is σ = 2252856. Its totient is φ = 2234880.

The previous prime is 2243851. The next prime is 2243887. The reversal of 2243867 is 7683422.

2243867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2243867 - 2⁴ = 2243851 is a prime.

It is a super-2 number, since 2×2243867² = 10069878227378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243887) 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 3 ways as a sum of consecutive naturals, for example, 4109 + ... + 4622.

It is an arithmetic number, because the mean of its divisors is an integer number (563214).

2^2243867 is an apocalyptic number.

2243867 is a deficient number, since it is larger than the sum of its proper divisors (8989).

2243867 is an equidigital number, since it uses as much as digits as its factorization.

2243867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988.

The product of its digits is 16128, while the sum is 32.

The square root of 2243867 is about 1497.9542716652. The cubic root of 2243867 is about 130.9179020590.

The spelling of 2243867 in words is "two million, two hundred forty-three thousand, eight hundred sixty-seven".