22440220444 has 6 divisors (see below), whose sum is σ = 39270385784. Its totient is φ = 11220110220.

The previous prime is 22440220433. The next prime is 22440220459. The reversal of 22440220444 is 44402204422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805027552 + ... + 2805027559.

Almost surely, 2^22440220444 is an apocalyptic number.

It is an amenable number.

22440220444 is a deficient number, since it is larger than the sum of its proper divisors (16830165340).

22440220444 is a wasteful number, since it uses less digits than its factorization.

22440220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610055115 (or 5610055113 counting only the distinct ones).

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

Adding to 22440220444 its reverse (44402204422), we get a palindrome (66842424866).

The spelling of 22440220444 in words is "twenty-two billion, four hundred forty million, two hundred twenty thousand, four hundred forty-four".