22312222233 has 32 divisors (see below), whose sum is σ = 34114459392. Its totient is φ = 12706848000.

The previous prime is 22312222189. The next prime is 22312222249. The reversal of 22312222233 is 33222221322.

It is not a de Polignac number, because 22312222233 - 2⁸ = 22312221977 is a prime.

It is a super-3 number, since 3×22312222233³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22312222433) 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 31 ways as a sum of consecutive naturals, for example, 9729435 + ... + 9731727.

It is an arithmetic number, because the mean of its divisors is an integer number (1066076856).

Almost surely, 2^22312222233 is an apocalyptic number.

It is an amenable number.

22312222233 is a deficient number, since it is larger than the sum of its proper divisors (11802237159).

22312222233 is a wasteful number, since it uses less digits than its factorization.

22312222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 3456, while the sum is 24.

Adding to 22312222233 its reverse (33222221322), we get a palindrome (55534443555).

The spelling of 22312222233 in words is "twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, two hundred thirty-three".