2447244 has 18 divisors (see below), whose sum is σ = 6186180. Its totient is φ = 815736.

The previous prime is 2447239. The next prime is 2447251. The reversal of 2447244 is 4427442.

2447244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 16.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33954 + ... + 34025.

2^2447244 is an apocalyptic number.

It is an amenable number.

2447244 is an abundant number, since it is smaller than the sum of its proper divisors (3738936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2447244 is a wasteful number, since it uses less digits than its factorization.

2447244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67989 (or 67984 counting only the distinct ones).

The product of its digits is 7168, while the sum is 27.

The square root of 2447244 is about 1564.3669646218. The cubic root of 2447244 is about 134.7594068675.

The spelling of 2447244 in words is "two million, four hundred forty-seven thousand, two hundred forty-four".