22212222122243 has 2 divisors, whose sum is σ = 22212222122244. Its totient is φ = 22212222122242.

The previous prime is 22212222122159. The next prime is 22212222122291. The reversal of 22212222122243 is 34222122221222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212222122243 - 2¹² = 22212222118147 is a prime.

It is a super-2 number, since 2×22212222122243² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22212222182243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106111061121 + 11106111061122.

It is an arithmetic number, because the mean of its divisors is an integer number (11106111061122).

Almost surely, 2^{22212222122243} is an apocalyptic number.

22212222122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212222122243 is an equidigital number, since it uses as much as digits as its factorization.

22212222122243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 29.

Adding to 22212222122243 its reverse (34222122221222), we get a palindrome (56434344343465).

The spelling of 22212222122243 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred forty-three".