22533252019991 has 8 divisors (see below), whose sum is σ = 22561691004720. Its totient is φ = 22504830965632.

The previous prime is 22533252019981. The next prime is 22533252020009. The reversal of 22533252019991 is 19991025233522.

It is a happy number.

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 22533252019991 - 2³⁰ = 22532178278167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533252019981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966700 + ... + 6995313.

It is an arithmetic number, because the mean of its divisors is an integer number (2820211375590).

Almost surely, 2^{22533252019991} is an apocalyptic number.

22533252019991 is a deficient number, since it is larger than the sum of its proper divisors (28438984729).

22533252019991 is a wasteful number, since it uses less digits than its factorization.

22533252019991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965185.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 22533252019991 in words is "twenty-two trillion, five hundred thirty-three billion, two hundred fifty-two million, nineteen thousand, nine hundred ninety-one".