22032440430 has 192 divisors, whose sum is σ = 71388200448. Its totient is φ = 4225927680.

The previous prime is 22032440411. The next prime is 22032440447. The reversal of 22032440430 is 3404423022.

It is a self number, because there is not a number n which added to its sum of digits gives 22032440430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 362172 + ... + 418608.

It is an arithmetic number, because the mean of its divisors is an integer number (371813544).

Almost surely, 2^22032440430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22032440430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35694100224).

22032440430 is an abundant number, since it is smaller than the sum of its proper divisors (49355760018).

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

22032440430 is a wasteful number, since it uses less digits than its factorization.

22032440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56491 (or 56478 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22032440430 its reverse (3404423022), we get a palindrome (25436863452).

The spelling of 22032440430 in words is "twenty-two billion, thirty-two million, four hundred forty thousand, four hundred thirty".