2244242009 has 2 divisors, whose sum is σ = 2244242010. Its totient is φ = 2244242008.

The previous prime is 2244242003. The next prime is 2244242027. The reversal of 2244242009 is 9002424422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1447422025 + 796819984 = 38045^2 + 28228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244242009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2244242003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122121004 + 1122121005.

It is an arithmetic number, because the mean of its divisors is an integer number (1122121005).

Almost surely, 2^2244242009 is an apocalyptic number.

It is an amenable number.

2244242009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244242009 is an equidigital number, since it uses as much as digits as its factorization.

2244242009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2244242009 is about 47373.4314674375. The cubic root of 2244242009 is about 1309.2519492394.

The spelling of 2244242009 in words is "two billion, two hundred forty-four million, two hundred forty-two thousand, nine".