2244709 has 8 divisors (see below), whose sum is σ = 2345112. Its totient is φ = 2146560.

The previous prime is 2244707. The next prime is 2244719. The reversal of 2244709 is 9074422.

It can be written as a sum of positive squares in 4 ways, for example, as 562500 + 1682209 = 750^2 + 1297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2244709 - 2¹ = 2244707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244703) 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 7 ways as a sum of consecutive naturals, for example, 1657 + ... + 2689.

It is an arithmetic number, because the mean of its divisors is an integer number (293139).

2^2244709 is an apocalyptic number.

It is an amenable number.

2244709 is a deficient number, since it is larger than the sum of its proper divisors (100403).

2244709 is a wasteful number, since it uses less digits than its factorization.

2244709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2244709 is about 1498.2352952724. The cubic root of 2244709 is about 130.9342754431.

The spelling of 2244709 in words is "two million, two hundred forty-four thousand, seven hundred nine".