22020444004224 has 32 divisors (see below), whose sum is σ = 58491804387240. Its totient is φ = 7340148001280.

The previous prime is 22020444004201. The next prime is 22020444004243. The reversal of 22020444004224 is 42240044402022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 22020444004191 and 22020444004200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28672452747 + ... + 28672453514.

Almost surely, 2^{22020444004224} is an apocalyptic number.

22020444004224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22020444004224 is an abundant number, since it is smaller than the sum of its proper divisors (36471360383016).

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

22020444004224 is an equidigital number, since it uses as much as digits as its factorization.

22020444004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57344906278 (or 57344906266 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22020444004224 its reverse (42240044402022), we get a palindrome (64260488406246).

The spelling of 22020444004224 in words is "twenty-two trillion, twenty billion, four hundred forty-four million, four thousand, two hundred twenty-four".