222212021222189 has 2 divisors, whose sum is σ = 222212021222190. Its totient is φ = 222212021222188.

The previous prime is 222212021222129. The next prime is 222212021222203. The reversal of 222212021222189 is 981222120212222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212129757855625 + 10082263366564 = 14564675^2 + 3175258^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212021222189 - 2²⁸ = 222211752786733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212021222129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106010611094 + 111106010611095.

It is an arithmetic number, because the mean of its divisors is an integer number (111106010611095).

Almost surely, 2^{222212021222189} is an apocalyptic number.

It is an amenable number.

222212021222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212021222189 is an equidigital number, since it uses as much as digits as its factorization.

222212021222189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 222212021222189 in words is "two hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred eighty-nine".