2244637 has 4 divisors (see below), whose sum is σ = 2265340. Its totient is φ = 2223936.

The previous prime is 2244631. The next prime is 2244653. The reversal of 2244637 is 7364422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 301401 = 1394^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244637 - 2⁷ = 2244509 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 (2244631) 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, 10188 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (566335).

2^2244637 is an apocalyptic number.

It is an amenable number.

2244637 is a deficient number, since it is larger than the sum of its proper divisors (20703).

2244637 is a wasteful number, since it uses less digits than its factorization.

2244637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20702.

The product of its digits is 8064, while the sum is 28.

The square root of 2244637 is about 1498.2112668112. The cubic root of 2244637 is about 130.9328755038.

The spelling of 2244637 in words is "two million, two hundred forty-four thousand, six hundred thirty-seven".