22312312133 has 4 divisors (see below), whose sum is σ = 23624801100. Its totient is φ = 20999823168.

The previous prime is 22312312111. The next prime is 22312312147. The reversal of 22312312133 is 33121321322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6059376964 + 16252935169 = 77842^2 + 127487^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312312133 - 2⁶ = 22312312069 is a prime.

It is a super-3 number, since 3×22312312133³ (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 = 22312312099 and 22312312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312312933) 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 3 ways as a sum of consecutive naturals, for example, 656244458 + ... + 656244491.

It is an arithmetic number, because the mean of its divisors is an integer number (5906200275).

Almost surely, 2^22312312133 is an apocalyptic number.

It is an amenable number.

22312312133 is a deficient number, since it is larger than the sum of its proper divisors (1312488967).

22312312133 is a wasteful number, since it uses less digits than its factorization.

22312312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312488966.

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

Adding to 22312312133 its reverse (33121321322), we get a palindrome (55433633455).

The spelling of 22312312133 in words is "twenty-two billion, three hundred twelve million, three hundred twelve thousand, one hundred thirty-three".