222200121218 has 16 divisors (see below), whose sum is σ = 356593813440. Its totient is φ = 103527234000.

The previous prime is 222200121217. The next prime is 222200121223. The reversal of 222200121218 is 812121002222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222200121193 and 222200121202.

It is not an unprimeable number, because it can be changed into a prime (222200121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47926958 + ... + 47931593.

It is an arithmetic number, because the mean of its divisors is an integer number (22287113340).

Almost surely, 2^222200121218 is an apocalyptic number.

222200121218 is a deficient number, since it is larger than the sum of its proper divisors (134393692222).

222200121218 is a wasteful number, since it uses less digits than its factorization.

222200121218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95858633.

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 222200121218 in words is "two hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred eighteen".