2288188009 has 2 divisors, whose sum is σ = 2288188010. Its totient is φ = 2288188008.

The previous prime is 2288187977. The next prime is 2288188039. The reversal of 2288188009 is 9008818822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2288187225 + 784 = 47835^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288188009 - 2⁵ = 2288187977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2288188009.

It is not a weakly prime, because it can be changed into another prime (2288188039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144094004 + 1144094005.

It is an arithmetic number, because the mean of its divisors is an integer number (1144094005).

Almost surely, 2^2288188009 is an apocalyptic number.

It is an amenable number.

2288188009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288188009 is an equidigital number, since it uses as much as digits as its factorization.

2288188009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 2288188009 is about 47835.0081948357. The cubic root of 2288188009 is about 1317.7425466724.

The spelling of 2288188009 in words is "two billion, two hundred eighty-eight million, one hundred eighty-eight thousand, nine".