22533028791 has 32 divisors (see below), whose sum is σ = 36996126720. Its totient is φ = 11879495424.

The previous prime is 22533028787. The next prime is 22533028801. The reversal of 22533028791 is 19782033522.

It is not a de Polignac number, because 22533028791 - 2² = 22533028787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533028711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543195 + ... + 583203.

It is an arithmetic number, because the mean of its divisors is an integer number (1156128960).

Almost surely, 2^22533028791 is an apocalyptic number.

22533028791 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22533028791 is a deficient number, since it is larger than the sum of its proper divisors (14463097929).

22533028791 is a wasteful number, since it uses less digits than its factorization.

22533028791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42095.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 22533028791 in words is "twenty-two billion, five hundred thirty-three million, twenty-eight thousand, seven hundred ninety-one".