22530550000 has 120 divisors (see below), whose sum is σ = 62358321312. Its totient is φ = 7724640000.

The previous prime is 22530549931. The next prime is 22530550027. The reversal of 22530550000 is 5503522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317814 + ... + 382186.

Almost surely, 2^22530550000 is an apocalyptic number.

22530550000 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 22530550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31179160656).

22530550000 is an abundant number, since it is smaller than the sum of its proper divisors (39827771312).

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

22530550000 is an frugal number, since it uses more digits than its factorization.

22530550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64413 (or 64387 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The spelling of 22530550000 in words is "twenty-two billion, five hundred thirty million, five hundred fifty thousand".