226205382321 has 14 divisors (see below), whose sum is σ = 339152926850. Its totient is φ = 150803587728.

The previous prime is 226205382311. The next prime is 226205382331. The reversal of 226205382321 is 123283502622.

226205382321 is a `hidden beast` number, since 2 + 2 + 620 + 5 + 3 + 8 + 2 + 3 + 21 = 666.

226205382321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (226205382311) and next prime (226205382331).

It can be written as a sum of positive squares in only one way, i.e., 213541031025 + 12664351296 = 462105^2 + 112536^2 .

It is not a de Polignac number, because 226205382321 - 2¹⁵ = 226205349553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226205382311) 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 13 ways as a sum of consecutive naturals, for example, 155146996 + ... + 155148453.

Almost surely, 2^226205382321 is an apocalyptic number.

It is an amenable number.

226205382321 is a deficient number, since it is larger than the sum of its proper divisors (112947544529).

226205382321 is an frugal number, since it uses more digits than its factorization.

226205382321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310295467 (or 310295452 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 226205382321 its reverse (123283502622), we get a palindrome (349488884943).

The spelling of 226205382321 in words is "two hundred twenty-six billion, two hundred five million, three hundred eighty-two thousand, three hundred twenty-one".