2218236286 has 16 divisors (see below), whose sum is σ = 3809117664. Its totient is φ = 949065984.

The previous prime is 2218236283. The next prime is 2218236289. The reversal of 2218236286 is 6826328122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2218236283) and next prime (2218236289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218236281) 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 in 7 ways as a sum of consecutive naturals, for example, 125295 + ... + 141898.

It is an arithmetic number, because the mean of its divisors is an integer number (238069854).

Almost surely, 2^2218236286 is an apocalyptic number.

2218236286 is a deficient number, since it is larger than the sum of its proper divisors (1590881378).

2218236286 is a wasteful number, since it uses less digits than its factorization.

2218236286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267795.

The product of its digits is 110592, while the sum is 40.

The square root of 2218236286 is about 47098.1558662332. The cubic root of 2218236286 is about 1304.1751928010.

The spelling of 2218236286 in words is "two billion, two hundred eighteen million, two hundred thirty-six thousand, two hundred eighty-six".