22311321233 has 8 divisors (see below), whose sum is σ = 22734086400. Its totient is φ = 21890043088.

The previous prime is 22311321229. The next prime is 22311321269. The reversal of 22311321233 is 33212311322.

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 22311321233 - 2² = 22311321229 is a prime.

It is a super-3 number, since 3×22311321233³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22311321199 and 22311321208.

It is not an unprimeable number, because it can be changed into a prime (22311341233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341441 + ... + 401502.

It is an arithmetic number, because the mean of its divisors is an integer number (2841760800).

Almost surely, 2^22311321233 is an apocalyptic number.

It is an amenable number.

22311321233 is a deficient number, since it is larger than the sum of its proper divisors (422765167).

22311321233 is an equidigital number, since it uses as much as digits as its factorization.

22311321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743511.

The product of its digits is 1296, while the sum is 23.

Adding to 22311321233 its reverse (33212311322), we get a palindrome (55523632555).

The spelling of 22311321233 in words is "twenty-two billion, three hundred eleven million, three hundred twenty-one thousand, two hundred thirty-three".