22424222444 has 48 divisors (see below), whose sum is σ = 42986727840. Its totient is φ = 10172183040.

The previous prime is 22424222437. The next prime is 22424222473. The reversal of 22424222444 is 44422242422.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22424222444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986312 + ... + 6989520.

It is an arithmetic number, because the mean of its divisors is an integer number (895556830).

Almost surely, 2^22424222444 is an apocalyptic number.

It is an amenable number.

22424222444 is a deficient number, since it is larger than the sum of its proper divisors (20562505396).

22424222444 is a wasteful number, since it uses less digits than its factorization.

22424222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490 (or 5488 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

Adding to 22424222444 its reverse (44422242422), we get a palindrome (66846464866).

The spelling of 22424222444 in words is "twenty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, four hundred forty-four".