2236813321 has 4 divisors (see below), whose sum is σ = 2247414544. Its totient is φ = 2226212100.

The previous prime is 2236813309. The next prime is 2236813351. The reversal of 2236813321 is 1233186322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2236813321 - 2⁷ = 2236813193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236813351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300295 + ... + 5300716.

It is an arithmetic number, because the mean of its divisors is an integer number (561853636).

Almost surely, 2^2236813321 is an apocalyptic number.

It is an amenable number.

2236813321 is a deficient number, since it is larger than the sum of its proper divisors (10601223).

2236813321 is a wasteful number, since it uses less digits than its factorization.

2236813321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601222.

The product of its digits is 10368, while the sum is 31.

The square root of 2236813321 is about 47294.9608415104. The cubic root of 2236813321 is about 1307.8057630458.

Adding to 2236813321 its reverse (1233186322), we get a palindrome (3469999643).

The spelling of 2236813321 in words is "two billion, two hundred thirty-six million, eight hundred thirteen thousand, three hundred twenty-one".