2244747 has 4 divisors (see below), whose sum is σ = 2993000. Its totient is φ = 1496496.

The previous prime is 2244733. The next prime is 2244751. The reversal of 2244747 is 7474422.

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

It is not a de Polignac number, because 2244747 - 2¹⁰ = 2243723 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374122 + ... + 374127.

It is an arithmetic number, because the mean of its divisors is an integer number (748250).

2^2244747 is an apocalyptic number.

2244747 is a deficient number, since it is larger than the sum of its proper divisors (748253).

2244747 is an equidigital number, since it uses as much as digits as its factorization.

2244747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748252.

The product of its digits is 12544, while the sum is 30.

The square root of 2244747 is about 1498.2479768049. The cubic root of 2244747 is about 130.9350142878.

The spelling of 2244747 in words is "two million, two hundred forty-four thousand, seven hundred forty-seven".