22202220222200 has 48 divisors (see below), whose sum is σ = 51754940686080. Its totient is φ = 8857700360960.

The previous prime is 22202220222191. The next prime is 22202220222229. The reversal of 22202220222200 is 222202220222.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 144846509 + ... + 144999708.

It is an arithmetic number, because the mean of its divisors is an integer number (1078227930960).

Almost surely, 2^{22202220222200} is an apocalyptic number.

22202220222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202220222200 is an abundant number, since it is smaller than the sum of its proper divisors (29552720463880).

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

22202220222200 is a wasteful number, since it uses less digits than its factorization.

22202220222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289846616 (or 289846607 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22202220222200 its reverse (222202220222), we get a palindrome (22424422442422).

The spelling of 22202220222200 in words is "twenty-two trillion, two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred".