2266021203205 has 8 divisors (see below), whose sum is σ = 2719377387000. Its totient is φ = 1812715667136.

The previous prime is 2266021203163. The next prime is 2266021203217. The reversal of 2266021203205 is 5023021206622.

It can be written as a sum of positive squares in 4 ways, for example, as 168068841444 + 2097952361761 = 409962^2 + 1448431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2266021203205 - 2¹⁹ = 2266020678917 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12563430 + ... + 12742519.

It is an arithmetic number, because the mean of its divisors is an integer number (339922173375).

Almost surely, 2^{2266021203205} is an apocalyptic number.

It is an amenable number.

2266021203205 is a deficient number, since it is larger than the sum of its proper divisors (453356183795).

2266021203205 is a wasteful number, since it uses less digits than its factorization.

2266021203205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25323863.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2266021203205 its reverse (5023021206622), we get a palindrome (7289042409827).

The spelling of 2266021203205 in words is "two trillion, two hundred sixty-six billion, twenty-one million, two hundred three thousand, two hundred five".