223241009 has 2 divisors, whose sum is σ = 223241010. Its totient is φ = 223241008.

The previous prime is 223240999. The next prime is 223241021. The reversal of 223241009 is 900142322.

223241009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171688609 + 51552400 = 13103^2 + 7180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223241009 is a prime.

It is a super-3 number, since 3×223241009³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223241069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111620504 + 111620505.

It is an arithmetic number, because the mean of its divisors is an integer number (111620505).

Almost surely, 2^223241009 is an apocalyptic number.

It is an amenable number.

223241009 is a deficient number, since it is larger than the sum of its proper divisors (1).

223241009 is an equidigital number, since it uses as much as digits as its factorization.

223241009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 223241009 is about 14941.2519221115. The cubic root of 223241009 is about 606.6310825578.

The spelling of 223241009 in words is "two hundred twenty-three million, two hundred forty-one thousand, nine".