22532350400 has 336 divisors, whose sum is σ = 66092466240. Its totient is φ = 7397376000.

The previous prime is 22532350397. The next prime is 22532350447. The reversal of 22532350400 is 405323522.

It is a self number, because there is not a number n which added to its sum of digits gives 22532350400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56190200 + ... + 56190600.

Almost surely, 2^22532350400 is an apocalyptic number.

22532350400 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 22532350400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33046233120).

22532350400 is an abundant number, since it is smaller than the sum of its proper divisors (43560115840).

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

22532350400 is a wasteful number, since it uses less digits than its factorization.

22532350400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 22532350400 its reverse (405323522), we get a palindrome (22937673922).

The spelling of 22532350400 in words is "twenty-two billion, five hundred thirty-two million, three hundred fifty thousand, four hundred".