2244744 has 24 divisors (see below), whose sum is σ = 6079710. Its totient is φ = 748224.

The previous prime is 2244733. The next prime is 2244751. The reversal of 2244744 is 4474422.

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 580644 = 1290^2 + 762^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15517 + ... + 15660.

2^2244744 is an apocalyptic number.

2244744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2244744 is an abundant number, since it is smaller than the sum of its proper divisors (3834966).

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

2244744 is a wasteful number, since it uses less digits than its factorization.

2244744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31189 (or 31182 counting only the distinct ones).

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

The square root of 2244744 is about 1498.2469756352. The cubic root of 2244744 is about 130.9349559583.

The spelling of 2244744 in words is "two million, two hundred forty-four thousand, seven hundred forty-four".