222222400222 has 16 divisors (see below), whose sum is σ = 341722735200. Its totient is φ = 108318933760.

The previous prime is 222222400177. The next prime is 222222400243. The reversal of 222222400222 is 222004222222.

It is a junction number, because it is equal to n+sod(n) for n = 222222400193 and 222222400202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919147 + ... + 1135462.

It is an arithmetic number, because the mean of its divisors is an integer number (21357670950).

Almost surely, 2^222222400222 is an apocalyptic number.

222222400222 is a deficient number, since it is larger than the sum of its proper divisors (119500334978).

222222400222 is a wasteful number, since it uses less digits than its factorization.

222222400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055971.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222222400222 its reverse (222004222222), we get a palindrome (444226622444).

The spelling of 222222400222 in words is "two hundred twenty-two billion, two hundred twenty-two million, four hundred thousand, two hundred twenty-two".