222233009 has 2 divisors, whose sum is σ = 222233010. Its totient is φ = 222233008.

The previous prime is 222232979. The next prime is 222233021. The reversal of 222233009 is 900332222.

222233009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 73984 = 14905^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 222233009 - 2⁸ = 222232753 is a prime.

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 (222230009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116504 + 111116505.

It is an arithmetic number, because the mean of its divisors is an integer number (111116505).

Almost surely, 2^222233009 is an apocalyptic number.

It is an amenable number.

222233009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222233009 is an equidigital number, since it uses as much as digits as its factorization.

222233009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 222233009 is about 14907.4816451338. The cubic root of 222233009 is about 605.7166645568.

The spelling of 222233009 in words is "two hundred twenty-two million, two hundred thirty-three thousand, nine".