2289000557 has 2 divisors, whose sum is σ = 2289000558. Its totient is φ = 2289000556.

The previous prime is 2289000487. The next prime is 2289000559. The reversal of 2289000557 is 7550009822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1916163076 + 372837481 = 43774^2 + 19309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289000557 - 2¹² = 2288996461 is a prime.

Together with 2289000559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2289000557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289000559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144500278 + 1144500279.

It is an arithmetic number, because the mean of its divisors is an integer number (1144500279).

Almost surely, 2^2289000557 is an apocalyptic number.

It is an amenable number.

2289000557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289000557 is an equidigital number, since it uses as much as digits as its factorization.

2289000557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2289000557 is about 47843.5006766854. The cubic root of 2289000557 is about 1317.8985073934.

The spelling of 2289000557 in words is "two billion, two hundred eighty-nine million, five hundred fifty-seven", and thus it is an aban number.