2242491 has 4 divisors (see below), whose sum is σ = 2989992. Its totient is φ = 1494992.

The previous prime is 2242469. The next prime is 2242517. The reversal of 2242491 is 1942422.

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 2242491 - 2⁷ = 2242363 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2242441) 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 3 ways as a sum of consecutive naturals, for example, 373746 + ... + 373751.

It is an arithmetic number, because the mean of its divisors is an integer number (747498).

2^2242491 is an apocalyptic number.

2242491 is a deficient number, since it is larger than the sum of its proper divisors (747501).

2242491 is an equidigital number, since it uses as much as digits as its factorization.

2242491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747500.

The product of its digits is 1152, while the sum is 24.

The square root of 2242491 is about 1497.4949081716. The cubic root of 2242491 is about 130.8911357862.

The spelling of 2242491 in words is "two million, two hundred forty-two thousand, four hundred ninety-one".