22122012222210 has 16 divisors (see below), whose sum is σ = 53092829333376. Its totient is φ = 5899203259248.

The previous prime is 22122012222203. The next prime is 22122012222229. The reversal of 22122012222210 is 1222221022122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368700203674 + ... + 368700203733.

It is an arithmetic number, because the mean of its divisors is an integer number (3318301833336).

Almost surely, 2^{22122012222210} is an apocalyptic number.

22122012222210 is an abundant number, since it is smaller than the sum of its proper divisors (30970817111166).

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

22122012222210 is a wasteful number, since it uses less digits than its factorization.

22122012222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737400407417.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22122012222210 its reverse (1222221022122), we get a palindrome (23344233244332).

The spelling of 22122012222210 in words is "twenty-two trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred ten".