2218868535 has 32 divisors (see below), whose sum is σ = 3989518848. Its totient is φ = 1044869760.

The previous prime is 2218868527. The next prime is 2218868549. The reversal of 2218868535 is 5358688122.

It is not a de Polignac number, because 2218868535 - 2³ = 2218868527 is a prime.

It is a super-2 number, since 2×2218868535² = 9846755151226092450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242881 + ... + 251850.

It is an arithmetic number, because the mean of its divisors is an integer number (124672464).

Almost surely, 2^2218868535 is an apocalyptic number.

2218868535 is a deficient number, since it is larger than the sum of its proper divisors (1770650313).

2218868535 is a wasteful number, since it uses less digits than its factorization.

2218868535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494775.

The product of its digits is 921600, while the sum is 48.

The square root of 2218868535 is about 47104.8674236538. The cubic root of 2218868535 is about 1304.2990877979.

The spelling of 2218868535 in words is "two billion, two hundred eighteen million, eight hundred sixty-eight thousand, five hundred thirty-five".