22102201012222 has 4 divisors (see below), whose sum is σ = 33153301518336. Its totient is φ = 11051100506110.

The previous prime is 22102201012211. The next prime is 22102201012247. The reversal of 22102201012222 is 22221010220122.

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 22102201012222.

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, 5525550253054 + ... + 5525550253057.

It is an arithmetic number, because the mean of its divisors is an integer number (8288325379584).

Almost surely, 2^{22102201012222} is an apocalyptic number.

22102201012222 is a deficient number, since it is larger than the sum of its proper divisors (11051100506114).

22102201012222 is a wasteful number, since it uses less digits than its factorization.

22102201012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051100506113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22102201012222 its reverse (22221010220122), we get a palindrome (44323211232344).

The spelling of 22102201012222 in words is "twenty-two trillion, one hundred two billion, two hundred one million, twelve thousand, two hundred twenty-two".