22112001200222 has 4 divisors (see below), whose sum is σ = 33168001800336. Its totient is φ = 11056000600110.

The previous prime is 22112001200197. The next prime is 22112001200323. The reversal of 22112001200222 is 22200210021122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22112001200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528000300054 + ... + 5528000300057.

It is an arithmetic number, because the mean of its divisors is an integer number (8292000450084).

Almost surely, 2^{22112001200222} is an apocalyptic number.

22112001200222 is a deficient number, since it is larger than the sum of its proper divisors (11056000600114).

22112001200222 is a wasteful number, since it uses less digits than its factorization.

22112001200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056000600113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112001200222 its reverse (22200210021122), we get a palindrome (44312211221344).

The spelling of 22112001200222 in words is "twenty-two trillion, one hundred twelve billion, one million, two hundred thousand, two hundred twenty-two".