5518887229 has 2 divisors, whose sum is σ = 5518887230. Its totient is φ = 5518887228.

The previous prime is 5518887173. The next prime is 5518887239. The reversal of 5518887229 is 9227888155.

5518887229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3956661604 + 1562225625 = 62902^2 + 39525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5518887229 - 2¹⁵ = 5518854461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5518887229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5518887239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759443614 + 2759443615.

It is an arithmetic number, because the mean of its divisors is an integer number (2759443615).

Almost surely, 2^5518887229 is an apocalyptic number.

It is an amenable number.

5518887229 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518887229 is an equidigital number, since it uses as much as digits as its factorization.

5518887229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 55.

The square root of 5518887229 is about 74289.2134094850. The cubic root of 5518887229 is about 1767.1924196982.

The spelling of 5518887229 in words is "five billion, five hundred eighteen million, eight hundred eighty-seven thousand, two hundred twenty-nine".