206225233 has 2 divisors, whose sum is σ = 206225234. Its totient is φ = 206225232.

The previous prime is 206225209. The next prime is 206225269. The reversal of 206225233 is 332522602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169598529 + 36626704 = 13023^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 206225233 - 2¹³ = 206217041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206225198 and 206225207.

It is not a weakly prime, because it can be changed into another prime (206225333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103112616 + 103112617.

It is an arithmetic number, because the mean of its divisors is an integer number (103112617).

Almost surely, 2^206225233 is an apocalyptic number.

It is an amenable number.

206225233 is a deficient number, since it is larger than the sum of its proper divisors (1).

206225233 is an equidigital number, since it uses as much as digits as its factorization.

206225233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 206225233 is about 14360.5443141965. The cubic root of 206225233 is about 590.8092247391.

Adding to 206225233 its reverse (332522602), we get a palindrome (538747835).

The spelling of 206225233 in words is "two hundred six million, two hundred twenty-five thousand, two hundred thirty-three".