22312012533 has 8 divisors (see below), whose sum is σ = 29755908000. Its totient is φ = 14871396048.

The previous prime is 22312012483. The next prime is 22312012553. The reversal of 22312012533 is 33521021322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22312012533 - 2⁸ = 22312012277 is a prime.

It is a super-3 number, since 3×22312012533³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312012553) 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 7 ways as a sum of consecutive naturals, for example, 803823 + ... + 831116.

It is an arithmetic number, because the mean of its divisors is an integer number (3719488500).

Almost surely, 2^22312012533 is an apocalyptic number.

It is an amenable number.

22312012533 is a deficient number, since it is larger than the sum of its proper divisors (7443895467).

22312012533 is a wasteful number, since it uses less digits than its factorization.

22312012533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639491.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 22312012533 its reverse (33521021322), we get a palindrome (55833033855).

The spelling of 22312012533 in words is "twenty-two billion, three hundred twelve million, twelve thousand, five hundred thirty-three".