22204342021424 has 80 divisors (see below), whose sum is σ = 45184838342400. Its totient is φ = 10555559976192.

The previous prime is 22204342021363. The next prime is 22204342021441. The reversal of 22204342021424 is 42412024340222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87510389 + ... + 87763755.

It is an arithmetic number, because the mean of its divisors is an integer number (564810479280).

Almost surely, 2^{22204342021424} 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 22204342021424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22592419171200).

22204342021424 is an abundant number, since it is smaller than the sum of its proper divisors (22980496320976).

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

22204342021424 is a wasteful number, since it uses less digits than its factorization.

22204342021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256290 (or 256284 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22204342021424 its reverse (42412024340222), we get a palindrome (64616366361646).

The spelling of 22204342021424 in words is "twenty-two trillion, two hundred four billion, three hundred forty-two million, twenty-one thousand, four hundred twenty-four".