22444204420 has 48 divisors (see below), whose sum is σ = 52671741696. Its totient is φ = 7962464000.

The previous prime is 22444204417. The next prime is 22444204421. The reversal of 22444204420 is 2440244422.

It is not an unprimeable number, because it can be changed into a prime (22444204421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235116 + ... + 1253155.

It is an arithmetic number, because the mean of its divisors is an integer number (1097327952).

Almost surely, 2^22444204420 is an apocalyptic number.

22444204420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444204420 is an abundant number, since it is smaller than the sum of its proper divisors (30227537276).

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

22444204420 is a wasteful number, since it uses less digits than its factorization.

22444204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488332 (or 2488330 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22444204420 its reverse (2440244422), we get a palindrome (24884448842).

The spelling of 22444204420 in words is "twenty-two billion, four hundred forty-four million, two hundred four thousand, four hundred twenty".