22000000222 has 16 divisors (see below), whose sum is σ = 33378055200. Its totient is φ = 10874239488.

The previous prime is 22000000199. The next prime is 22000000229. The reversal of 22000000222 is 22200000022.

22000000222 is a modest number, since divided by 222 gives 22 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22000000199 and 22000000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000000229) 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, 108154 + ... + 236002.

It is an arithmetic number, because the mean of its divisors is an integer number (2086128450).

Almost surely, 2^22000000222 is an apocalyptic number.

22000000222 is a deficient number, since it is larger than the sum of its proper divisors (11378054978).

22000000222 is a wasteful number, since it uses less digits than its factorization.

22000000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128835.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000000222 its reverse (22200000022), we get a palindrome (44200000244).

It can be divided in two parts, 2200000022 and 2, that multiplied together give a palindrome (4400000044).

The spelling of 22000000222 in words is "twenty-two billion, two hundred twenty-two", and thus it is an aban number.