22533432500 has 60 divisors (see below), whose sum is σ = 49318791060. Its totient is φ = 9005568000.

The previous prime is 22533432479. The next prime is 22533432533. The reversal of 22533432500 is 523433522.

It can be written as a sum of positive squares in 10 ways, for example, as 21786940816 + 746491684 = 147604^2 + 27322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3519302 + ... + 3525698.

It is an arithmetic number, because the mean of its divisors is an integer number (821979851).

Almost surely, 2^22533432500 is an apocalyptic number.

22533432500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22533432500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24659395530).

22533432500 is an abundant number, since it is smaller than the sum of its proper divisors (26785358560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22533432500 is a wasteful number, since it uses less digits than its factorization.

22533432500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830 (or 7813 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 22533432500 in words is "twenty-two billion, five hundred thirty-three million, four hundred thirty-two thousand, five hundred".