22424344444 has 24 divisors (see below), whose sum is σ = 40153680000. Its totient is φ = 10954332480.

The previous prime is 22424344429. The next prime is 22424344463. The reversal of 22424344444 is 44444342422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272044 + ... + 344755.

It is an arithmetic number, because the mean of its divisors is an integer number (1673070000).

Almost surely, 2^22424344444 is an apocalyptic number.

It is an amenable number.

22424344444 is a deficient number, since it is larger than the sum of its proper divisors (17729335556).

22424344444 is a wasteful number, since it uses less digits than its factorization.

22424344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617013 (or 617011 counting only the distinct ones).

The product of its digits is 393216, while the sum is 37.

Adding to 22424344444 its reverse (44444342422), we get a palindrome (66868686866).

The spelling of 22424344444 in words is "twenty-two billion, four hundred twenty-four million, three hundred forty-four thousand, four hundred forty-four".