222382109 has 2 divisors, whose sum is σ = 222382110. Its totient is φ = 222382108.

The previous prime is 222382093. The next prime is 222382123. The reversal of 222382109 is 901283222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179479609 + 42902500 = 13397^2 + 6550^2 .

It is a cyclic number.

It is not a de Polignac number, because 222382109 - 2⁴ = 222382093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222382159) 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, 111191054 + 111191055.

It is an arithmetic number, because the mean of its divisors is an integer number (111191055).

Almost surely, 2^222382109 is an apocalyptic number.

It is an amenable number.

222382109 is a deficient number, since it is larger than the sum of its proper divisors (1).

222382109 is an equidigital number, since it uses as much as digits as its factorization.

222382109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 222382109 is about 14912.4816512880. The cubic root of 222382109 is about 605.8520962302.

The spelling of 222382109 in words is "two hundred twenty-two million, three hundred eighty-two thousand, one hundred nine".