2218502200 has 48 divisors (see below), whose sum is σ = 5166220680. Its totient is φ = 885989760.

The previous prime is 2218502189. The next prime is 2218502207. The reversal of 2218502200 is 22058122.

It is a super-2 number, since 2×2218502200² = 9843504022809680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218502207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122107 + ... + 139093.

Almost surely, 2^2218502200 is an apocalyptic number.

2218502200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218502200 is an abundant number, since it is smaller than the sum of its proper divisors (2947718480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218502200 is a wasteful number, since it uses less digits than its factorization.

2218502200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17647 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2218502200 is about 47100.9787584080. The cubic root of 2218502200 is about 1304.2273039591.

The spelling of 2218502200 in words is "two billion, two hundred eighteen million, five hundred two thousand, two hundred".