4618772218 has 16 divisors (see below), whose sum is σ = 7001212680. Its totient is φ = 2285064000.

The previous prime is 4618772183. The next prime is 4618772231. The reversal of 4618772218 is 8122778164.

It can be written as a sum of positive squares in 4 ways, for example, as 4218892209 + 399880009 = 64953^2 + 19997^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354988 + ... + 367768.

Almost surely, 2^4618772218 is an apocalyptic number.

4618772218 is a deficient number, since it is larger than the sum of its proper divisors (2382440462).

4618772218 is a wasteful number, since it uses less digits than its factorization.

4618772218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673.

The product of its digits is 301056, while the sum is 46.

The square root of 4618772218 is about 67961.5495556127. The cubic root of 4618772218 is about 1665.3627574296.

The spelling of 4618772218 in words is "four billion, six hundred eighteen million, seven hundred seventy-two thousand, two hundred eighteen".