22204454430 has 96 divisors (see below), whose sum is σ = 54923381856. Its totient is φ = 5745033216.

The previous prime is 22204454411. The next prime is 22204454471. The reversal of 22204454430 is 3445440222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23696922 + ... + 23697858.

It is an arithmetic number, because the mean of its divisors is an integer number (572118561).

Almost surely, 2^22204454430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22204454430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27461690928).

22204454430 is an abundant number, since it is smaller than the sum of its proper divisors (32718927426).

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

22204454430 is a wasteful number, since it uses less digits than its factorization.

22204454430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22204454430 its reverse (3445440222), we get a palindrome (25649894652).

The spelling of 22204454430 in words is "twenty-two billion, two hundred four million, four hundred fifty-four thousand, four hundred thirty".