2243941 has 4 divisors (see below), whose sum is σ = 2564512. Its totient is φ = 1923372.

The previous prime is 2243911. The next prime is 2243959. The reversal of 2243941 is 1493422.

2243941 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243941 - 2⁵ = 2243909 is a prime.

It is a super-2 number, since 2×2243941² = 10070542422962, which contains 22 as substring.

It is a Duffinian number.

2243941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243911) 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, 160275 + ... + 160288.

It is an arithmetic number, because the mean of its divisors is an integer number (641128).

2^2243941 is an apocalyptic number.

It is an amenable number.

2243941 is a deficient number, since it is larger than the sum of its proper divisors (320571).

2243941 is an equidigital number, since it uses as much as digits as its factorization.

2243941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320570.

The product of its digits is 1728, while the sum is 25.

The square root of 2243941 is about 1497.9789718150. The cubic root of 2243941 is about 130.9193412142.

The spelling of 2243941 in words is "two million, two hundred forty-three thousand, nine hundred forty-one".