2238449089 has 2 divisors, whose sum is σ = 2238449090. Its totient is φ = 2238449088.

The previous prime is 2238449069. The next prime is 2238449093. The reversal of 2238449089 is 9809448322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059344400 + 179104689 = 45380^2 + 13383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238449089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2238449069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119224544 + 1119224545.

It is an arithmetic number, because the mean of its divisors is an integer number (1119224545).

Almost surely, 2^2238449089 is an apocalyptic number.

It is an amenable number.

2238449089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238449089 is an equidigital number, since it uses as much as digits as its factorization.

2238449089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 2238449089 is about 47312.2509398993. The cubic root of 2238449089 is about 1308.1244821705.

The spelling of 2238449089 in words is "two billion, two hundred thirty-eight million, four hundred forty-nine thousand, eighty-nine".