2236258900385 has 4 divisors (see below), whose sum is σ = 2683510680468. Its totient is φ = 1789007120304.

The previous prime is 2236258900333. The next prime is 2236258900387. The reversal of 2236258900385 is 5830098526322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 763708201216 + 1472550699169 = 873904^2 + 1213487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236258900385 - 2²⁰ = 2236257851809 is a prime.

It is a super-2 number, since 2×2236258900385² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2236258900387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223625890034 + ... + 223625890043.

It is an arithmetic number, because the mean of its divisors is an integer number (670877670117).

Almost surely, 2^{2236258900385} is an apocalyptic number.

It is an amenable number.

2236258900385 is a deficient number, since it is larger than the sum of its proper divisors (447251780083).

2236258900385 is an equidigital number, since it uses as much as digits as its factorization.

2236258900385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447251780082.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 2236258900385 in words is "two trillion, two hundred thirty-six billion, two hundred fifty-eight million, nine hundred thousand, three hundred eighty-five".