222122207 has 2 divisors, whose sum is σ = 222122208. Its totient is φ = 222122206.

The previous prime is 222122189. The next prime is 222122209. The reversal of 222122207 is 702221222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222122207 - 2¹⁰ = 222121183 is a prime.

Together with 222122209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061103 + 111061104.

It is an arithmetic number, because the mean of its divisors is an integer number (111061104).

Almost surely, 2^222122207 is an apocalyptic number.

222122207 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122207 is an equidigital number, since it uses as much as digits as its factorization.

222122207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 222122207 is about 14903.7648599272. The cubic root of 222122207 is about 605.6159807815.

Adding to 222122207 its reverse (702221222), we get a palindrome (924343429).

The spelling of 222122207 in words is "two hundred twenty-two million, one hundred twenty-two thousand, two hundred seven".