22421233024 has 64 divisors (see below), whose sum is σ = 47132568000. Its totient is φ = 10594755072.

The previous prime is 22421232997. The next prime is 22421233033. The reversal of 22421233024 is 42033212422.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 22421233024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008007 + ... + 1030009.

It is an arithmetic number, because the mean of its divisors is an integer number (736446375).

Almost surely, 2^22421233024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22421233024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23566284000).

22421233024 is an abundant number, since it is smaller than the sum of its proper divisors (24711334976).

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

22421233024 is a wasteful number, since it uses less digits than its factorization.

22421233024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22455 (or 22443 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22421233024 its reverse (42033212422), we get a palindrome (64454445446).

The spelling of 22421233024 in words is "twenty-two billion, four hundred twenty-one million, two hundred thirty-three thousand, twenty-four".