22002224430 has 128 divisors (see below), whose sum is σ = 55016755200. Its totient is φ = 5628040704.

The previous prime is 22002224407. The next prime is 22002224437. The reversal of 22002224430 is 3442220022.

It is a junction number, because it is equal to n+sod(n) for n = 22002224397 and 22002224406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002224437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13690687 + ... + 13692293.

It is an arithmetic number, because the mean of its divisors is an integer number (429818400).

Almost surely, 2^22002224430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002224430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27508377600).

22002224430 is an abundant number, since it is smaller than the sum of its proper divisors (33014530770).

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

22002224430 is a wasteful number, since it uses less digits than its factorization.

22002224430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22002224430 its reverse (3442220022), we get a palindrome (25444444452).

The spelling of 22002224430 in words is "twenty-two billion, two million, two hundred twenty-four thousand, four hundred thirty".