22212012212222 has 24 divisors (see below), whose sum is σ = 39414604869720. Its totient is φ = 9358087467120.

The previous prime is 22212012212219. The next prime is 22212012212231. The reversal of 22212012212222 is 22221221021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1920783929 + ... + 1920795492.

It is an arithmetic number, because the mean of its divisors is an integer number (1642275202905).

Almost surely, 2^{22212012212222} is an apocalyptic number.

22212012212222 is a deficient number, since it is larger than the sum of its proper divisors (17202592657498).

22212012212222 is a wasteful number, since it uses less digits than its factorization.

22212012212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841579496 (or 3841579489 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22212012212222 its reverse (22221221021222), we get a palindrome (44433233233444).

The spelling of 22212012212222 in words is "twenty-two trillion, two hundred twelve billion, twelve million, two hundred twelve thousand, two hundred twenty-two".