222310009 has 2 divisors, whose sum is σ = 222310010. Its totient is φ = 222310008.

The previous prime is 222309991. The next prime is 222310069. The reversal of 222310009 is 900013222.

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., 153884025 + 68425984 = 12405^2 + 8272^2 .

It is a cyclic number.

It is not a de Polignac number, because 222310009 - 2¹⁷ = 222178937 is a prime.

It is a super-3 number, since 3×222310009³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (222310069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111155004 + 111155005.

It is an arithmetic number, because the mean of its divisors is an integer number (111155005).

Almost surely, 2^222310009 is an apocalyptic number.

It is an amenable number.

222310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222310009 is an equidigital number, since it uses as much as digits as its factorization.

222310009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 222310009 is about 14910.0640173005. The cubic root of 222310009 is about 605.7866133578.

The spelling of 222310009 in words is "two hundred twenty-two million, three hundred ten thousand, nine".