2223232321 has 2 divisors, whose sum is σ = 2223232322. Its totient is φ = 2223232320.

The previous prime is 2223232289. The next prime is 2223232367. The reversal of 2223232321 is 1232323222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151652096 + 1071580225 = 33936^2 + 32735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223232321 - 2⁵ = 2223232289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2223232292 and 2223232301.

It is not a weakly prime, because it can be changed into another prime (2223232381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111616160 + 1111616161.

It is an arithmetic number, because the mean of its divisors is an integer number (1111616161).

Almost surely, 2^2223232321 is an apocalyptic number.

It is an amenable number.

2223232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223232321 is an equidigital number, since it uses as much as digits as its factorization.

2223232321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 2223232321 is about 47151.1645773463. The cubic root of 2223232321 is about 1305.1535705906.

Adding to 2223232321 its reverse (1232323222), we get a palindrome (3455555543).

Subtracting from 2223232321 its reverse (1232323222), we obtain a palindrome (990909099).

The spelling of 2223232321 in words is "two billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred twenty-one".