22212220202122 has 8 divisors (see below), whose sum is σ = 33322307686596. Its totient is φ = 11104784306592.

The previous prime is 22212220202119. The next prime is 22212220202141. The reversal of 22212220202122 is 22120202221222.

It can be written as a sum of positive squares in 2 ways, for example, as 21603615824961 + 608604377161 = 4647969^2 + 780131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22212220202093 and 22212220202102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662876293 + ... + 662909800.

Almost surely, 2^{22212220202122} is an apocalyptic number.

22212220202122 is a deficient number, since it is larger than the sum of its proper divisors (11110087484474).

22212220202122 is a wasteful number, since it uses less digits than its factorization.

22212220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325794472.

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

Adding to 22212220202122 its reverse (22120202221222), we get a palindrome (44332422423344).

The spelling of 22212220202122 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".