222212010689 has 2 divisors, whose sum is σ = 222212010690. Its totient is φ = 222212010688.

The previous prime is 222212010679. The next prime is 222212010751. The reversal of 222212010689 is 986010212222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213228762289 + 8983248400 = 461767^2 + 94780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222212010689 is a prime.

It is not a weakly prime, because it can be changed into another prime (222212010679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106005344 + 111106005345.

It is an arithmetic number, because the mean of its divisors is an integer number (111106005345).

Almost surely, 2^222212010689 is an apocalyptic number.

It is an amenable number.

222212010689 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212010689 is an equidigital number, since it uses as much as digits as its factorization.

222212010689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 222212010689 in words is "two hundred twenty-two billion, two hundred twelve million, ten thousand, six hundred eighty-nine".