222222202289 has 2 divisors, whose sum is σ = 222222202290. Its totient is φ = 222222202288.

The previous prime is 222222202271. The next prime is 222222202313. The reversal of 222222202289 is 982202222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198287637025 + 23934565264 = 445295^2 + 154708^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222202289 - 2¹² = 222222198193 is a prime.

It is not a weakly prime, because it can be changed into another prime (222222202219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111101144 + 111111101145.

It is an arithmetic number, because the mean of its divisors is an integer number (111111101145).

Almost surely, 2^222222202289 is an apocalyptic number.

It is an amenable number.

222222202289 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222202289 is an equidigital number, since it uses as much as digits as its factorization.

222222202289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 222222202289 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred eighty-nine".