5518798227 has 24 divisors (see below), whose sum is σ = 8459193600. Its totient is φ = 3459577968.

The previous prime is 5518798193. The next prime is 5518798249. The reversal of 5518798227 is 7228978155.

5518798227 is a `hidden beast` number, since 551 + 8 + 7 + 9 + 82 + 2 + 7 = 666.

It is not a de Polignac number, because 5518798227 - 2⁶ = 5518798163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5518798127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213727 + ... + 238152.

It is an arithmetic number, because the mean of its divisors is an integer number (352466400).

Almost surely, 2^5518798227 is an apocalyptic number.

5518798227 is a deficient number, since it is larger than the sum of its proper divisors (2940395373).

5518798227 is a wasteful number, since it uses less digits than its factorization.

5518798227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451967 (or 451964 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 5518798227 is about 74288.6143833629. The cubic root of 5518798227 is about 1767.1829199266.

The spelling of 5518798227 in words is "five billion, five hundred eighteen million, seven hundred ninety-eight thousand, two hundred twenty-seven".