22533140000 has 180 divisors, whose sum is σ = 64488305574. Its totient is φ = 7725312000.

The previous prime is 22533139949. The next prime is 22533140009. The reversal of 22533140000 is 4133522.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1747574416 + 20785565584 = 41804^2 + 144172^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22533140009) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 968504 + ... + 991496.

Almost surely, 2^22533140000 is an apocalyptic number.

22533140000 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 22533140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32244152787).

22533140000 is an abundant number, since it is smaller than the sum of its proper divisors (41955165574).

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

22533140000 is an equidigital number, since it uses as much as digits as its factorization.

22533140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23037 (or 23007 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22533140000 its reverse (4133522), we get a palindrome (22537273522).

The spelling of 22533140000 in words is "twenty-two billion, five hundred thirty-three million, one hundred forty thousand".