2218011005 has 32 divisors (see below), whose sum is σ = 3088827648. Its totient is φ = 1497600000.

The previous prime is 2218010969. The next prime is 2218011011. The reversal of 2218011005 is 5001108122.

It is a happy number.

It is not a de Polignac number, because 2218011005 - 2⁶ = 2218010941 is a prime.

It is a super-2 number, since 2×2218011005² = 9839145636602220050, which contains 22 as substring.

It is a Duffinian number.

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, 680630 + ... + 683880.

It is an arithmetic number, because the mean of its divisors is an integer number (96525864).

Almost surely, 2^2218011005 is an apocalyptic number.

It is an amenable number.

2218011005 is a deficient number, since it is larger than the sum of its proper divisors (870816643).

2218011005 is a wasteful number, since it uses less digits than its factorization.

2218011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 2218011005 is about 47095.7641938211. The cubic root of 2218011005 is about 1304.1310412318.

Adding to 2218011005 its reverse (5001108122), we get a palindrome (7219119127).

The spelling of 2218011005 in words is "two billion, two hundred eighteen million, eleven thousand, five".