22221022022122 has 64 divisors (see below), whose sum is σ = 41606314905600. Its totient is φ = 8647104818880.

The previous prime is 22221022022099. The next prime is 22221022022179. The reversal of 22221022022122 is 22122022012222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22221022022093 and 22221022022102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599917279 + ... + 599954317.

It is an arithmetic number, because the mean of its divisors is an integer number (650098670400).

Almost surely, 2^{22221022022122} is an apocalyptic number.

22221022022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221022022122 is a deficient number, since it is larger than the sum of its proper divisors (19385292883478).

22221022022122 is a wasteful number, since it uses less digits than its factorization.

22221022022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41651.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22221022022122 its reverse (22122022012222), we get a palindrome (44343044034344).

The spelling of 22221022022122 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, twenty-two thousand, one hundred twenty-two".