22011012202222 has 4 divisors (see below), whose sum is σ = 33016518303336. Its totient is φ = 11005506101110.

The previous prime is 22011012202133. The next prime is 22011012202247. The reversal of 22011012202222 is 22220221011022.

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 22011012202222.

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, 5502753050554 + ... + 5502753050557.

It is an arithmetic number, because the mean of its divisors is an integer number (8254129575834).

Almost surely, 2^{22011012202222} is an apocalyptic number.

22011012202222 is a deficient number, since it is larger than the sum of its proper divisors (11005506101114).

22011012202222 is a wasteful number, since it uses less digits than its factorization.

22011012202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005506101113.

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

Adding to 22011012202222 its reverse (22220221011022), we get a palindrome (44231233213244).

The spelling of 22011012202222 in words is "twenty-two trillion, eleven billion, twelve million, two hundred two thousand, two hundred twenty-two".