22532004000 has 576 divisors, whose sum is σ = 92394836352. Its totient is φ = 5139456000.

The previous prime is 22532003987. The next prime is 22532004023. The reversal of 22532004000 is 40023522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6730327 + ... + 6733673.

It is an arithmetic number, because the mean of its divisors is an integer number (160407702).

Almost surely, 2^22532004000 is an apocalyptic number.

22532004000 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 22532004000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46197418176).

22532004000 is an abundant number, since it is smaller than the sum of its proper divisors (69862832352).

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

22532004000 is a wasteful number, since it uses less digits than its factorization.

22532004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 22532004000 its reverse (40023522), we get a palindrome (22572027522).

The spelling of 22532004000 in words is "twenty-two billion, five hundred thirty-two million, four thousand".