22321320233 has 2 divisors, whose sum is σ = 22321320234. Its totient is φ = 22321320232.

The previous prime is 22321320221. The next prime is 22321320277. The reversal of 22321320233 is 33202312322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11688204544 + 10633115689 = 108112^2 + 103117^2 .

It is a cyclic number.

It is not a de Polignac number, because 22321320233 - 2¹² = 22321316137 is a prime.

It is a super-3 number, since 3×22321320233³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22321320199 and 22321320208.

It is not a weakly prime, because it can be changed into another prime (22321320283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160660116 + 11160660117.

It is an arithmetic number, because the mean of its divisors is an integer number (11160660117).

Almost surely, 2^22321320233 is an apocalyptic number.

It is an amenable number.

22321320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321320233 is an equidigital number, since it uses as much as digits as its factorization.

22321320233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22321320233 its reverse (33202312322), we get a palindrome (55523632555).

The spelling of 22321320233 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty thousand, two hundred thirty-three".