244225909 has 4 divisors (see below), whose sum is σ = 244281600. Its totient is φ = 244170220.

The previous prime is 244225901. The next prime is 244225913. The reversal of 244225909 is 909522442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244225909 - 2³ = 244225901 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 (244225901) 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, 20647 + ... + 30244.

It is an arithmetic number, because the mean of its divisors is an integer number (61070400).

Almost surely, 2^244225909 is an apocalyptic number.

It is an amenable number.

244225909 is a deficient number, since it is larger than the sum of its proper divisors (55691).

244225909 is an equidigital number, since it uses as much as digits as its factorization.

244225909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55690.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 244225909 is about 15627.7288497081. The cubic root of 244225909 is about 625.0727672076.

The spelling of 244225909 in words is "two hundred forty-four million, two hundred twenty-five thousand, nine hundred nine".