2201312218 has 16 divisors (see below), whose sum is σ = 3995659584. Its totient is φ = 887924160.

The previous prime is 2201312171. The next prime is 2201312219. The reversal of 2201312218 is 8122131022.

It is a super-2 number, since 2×2201312218² = 9691550962232159048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201312219) 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, 4624368 + ... + 4624843.

It is an arithmetic number, because the mean of its divisors is an integer number (249728724).

Almost surely, 2^2201312218 is an apocalyptic number.

2201312218 is a deficient number, since it is larger than the sum of its proper divisors (1794347366).

2201312218 is a wasteful number, since it uses less digits than its factorization.

2201312218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249237.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2201312218 is about 46918.1438038633. The cubic root of 2201312218 is about 1300.8499802302.

The spelling of 2201312218 in words is "two billion, two hundred one million, three hundred twelve thousand, two hundred eighteen".