22404220444424 has 64 divisors (see below), whose sum is σ = 52044445098240. Its totient is φ = 8804511302400.

The previous prime is 22404220444423. The next prime is 22404220444451. The reversal of 22404220444424 is 42444402240422.

It is not an unprimeable number, because it can be changed into a prime (22404220444423) 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, 101794139 + ... + 102013994.

It is an arithmetic number, because the mean of its divisors is an integer number (813194454660).

Almost surely, 2^{22404220444424} is an apocalyptic number.

It is an amenable number.

22404220444424 is an abundant number, since it is smaller than the sum of its proper divisors (29640224653816).

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

22404220444424 is a wasteful number, since it uses less digits than its factorization.

22404220444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203808310 (or 203808306 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 22404220444424 its reverse (42444402240422), we get a palindrome (64848622684846).

The spelling of 22404220444424 in words is "twenty-two trillion, four hundred four billion, two hundred twenty million, four hundred forty-four thousand, four hundred twenty-four".