2255233220209 has 2 divisors, whose sum is σ = 2255233220210. Its totient is φ = 2255233220208.

The previous prime is 2255233220183. The next prime is 2255233220327. The reversal of 2255233220209 is 9020223325522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281650410000 + 973582810209 = 1132100^2 + 986703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255233220209 - 2⁷ = 2255233220081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2255233220809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127616610104 + 1127616610105.

It is an arithmetic number, because the mean of its divisors is an integer number (1127616610105).

Almost surely, 2^{2255233220209} is an apocalyptic number.

It is an amenable number.

2255233220209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255233220209 is an equidigital number, since it uses as much as digits as its factorization.

2255233220209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 2255233220209 in words is "two trillion, two hundred fifty-five billion, two hundred thirty-three million, two hundred twenty thousand, two hundred nine".