112222309 has 2 divisors, whose sum is σ = 112222310. Its totient is φ = 112222308.

The previous prime is 112222301. The next prime is 112222333. The reversal of 112222309 is 903222211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95844100 + 16378209 = 9790^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222309 - 2³ = 112222301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112222309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111154 + 56111155.

It is an arithmetic number, because the mean of its divisors is an integer number (56111155).

Almost surely, 2^112222309 is an apocalyptic number.

It is an amenable number.

112222309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222309 is an equidigital number, since it uses as much as digits as its factorization.

112222309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 112222309 is about 10593.5031505164. The cubic root of 112222309 is about 482.3471684338.

It can be divided in two parts, 11222 and 2309, that added together give a palindrome (13531).

The spelling of 112222309 in words is "one hundred twelve million, two hundred twenty-two thousand, three hundred nine".