2244277289 has 2 divisors, whose sum is σ = 2244277290. Its totient is φ = 2244277288.

The previous prime is 2244277249. The next prime is 2244277297. The reversal of 2244277289 is 9827724422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2135179264 + 109098025 = 46208^2 + 10445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244277289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2244277249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122138644 + 1122138645.

It is an arithmetic number, because the mean of its divisors is an integer number (1122138645).

Almost surely, 2^2244277289 is an apocalyptic number.

It is an amenable number.

2244277289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244277289 is an equidigital number, since it uses as much as digits as its factorization.

2244277289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 2244277289 is about 47373.8038265875. The cubic root of 2244277289 is about 1309.2588097840.

The spelling of 2244277289 in words is "two billion, two hundred forty-four million, two hundred seventy-seven thousand, two hundred eighty-nine".