22442344430 has 64 divisors (see below), whose sum is σ = 45452897280. Its totient is φ = 7907952000.

The previous prime is 22442344429. The next prime is 22442344439. The reversal of 22442344430 is 3444324422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442344439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500681 + ... + 543659.

It is an arithmetic number, because the mean of its divisors is an integer number (710201520).

Almost surely, 2^22442344430 is an apocalyptic number.

22442344430 is an abundant number, since it is smaller than the sum of its proper divisors (23010552850).

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

22442344430 is a wasteful number, since it uses less digits than its factorization.

22442344430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43145.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 22442344430 its reverse (3444324422), we get a palindrome (25886668852).

The spelling of 22442344430 in words is "twenty-two billion, four hundred forty-two million, three hundred forty-four thousand, four hundred thirty".