22002222200 has 48 divisors (see below), whose sum is σ = 58463051280. Its totient is φ = 7543618560.

The previous prime is 22002222191. The next prime is 22002222293. The reversal of 22002222200 is 222220022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7856537 + ... + 7859336.

It is an arithmetic number, because the mean of its divisors is an integer number (1217980235).

Almost surely, 2^22002222200 is an apocalyptic number.

22002222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002222200 is an abundant number, since it is smaller than the sum of its proper divisors (36460829080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002222200 is a wasteful number, since it uses less digits than its factorization.

22002222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715896 (or 15715887 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22002222200 its reverse (222220022), we get a palindrome (22224442222).

The spelling of 22002222200 in words is "twenty-two billion, two million, two hundred twenty-two thousand, two hundred".