244424287 has 4 divisors (see below), whose sum is σ = 249036120. Its totient is φ = 239812456.

The previous prime is 244424269. The next prime is 244424291. The reversal of 244424287 is 782424442.

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

It is a cyclic number.

It is not a de Polignac number, because 244424287 - 2¹¹ = 244422239 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 (244424207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305837 + ... + 2305942.

It is an arithmetic number, because the mean of its divisors is an integer number (62259030).

Almost surely, 2^244424287 is an apocalyptic number.

244424287 is a deficient number, since it is larger than the sum of its proper divisors (4611833).

244424287 is an equidigital number, since it uses as much as digits as its factorization.

244424287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611832.

The product of its digits is 114688, while the sum is 37.

The square root of 244424287 is about 15634.0745488820. The cubic root of 244424287 is about 625.2419645530.

The spelling of 244424287 in words is "two hundred forty-four million, four hundred twenty-four thousand, two hundred eighty-seven".