22200000122222 has 32 divisors (see below), whose sum is σ = 35974546070400. Its totient is φ = 10213916191488.

The previous prime is 22200000122219. The next prime is 22200000122257. The reversal of 22200000122222 is 22222100000222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200000122222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9593348 + ... + 11680424.

It is an arithmetic number, because the mean of its divisors is an integer number (1124204564700).

Almost surely, 2^{22200000122222} is an apocalyptic number.

22200000122222 is a deficient number, since it is larger than the sum of its proper divisors (13774545948178).

22200000122222 is a wasteful number, since it uses less digits than its factorization.

22200000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088380.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200000122222 its reverse (22222100000222), we get a palindrome (44422100122444).

The spelling of 22200000122222 in words is "twenty-two trillion, two hundred billion, one hundred twenty-two thousand, two hundred twenty-two".