22224220004444 has 24 divisors (see below), whose sum is σ = 40416420912000. Its totient is φ = 10681482651840.

The previous prime is 22224220004429. The next prime is 22224220004473. The reversal of 22224220004444 is 44440002242222.

It is a self number, because there is not a number n which added to its sum of digits gives 22224220004444.

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, 601416359 + ... + 601453310.

It is an arithmetic number, because the mean of its divisors is an integer number (1684017538000).

Almost surely, 2^{22224220004444} is an apocalyptic number.

It is an amenable number.

22224220004444 is a deficient number, since it is larger than the sum of its proper divisors (18192200907556).

22224220004444 is a wasteful number, since it uses less digits than its factorization.

22224220004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202869853 (or 1202869851 counting only the distinct ones).

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

Adding to 22224220004444 its reverse (44440002242222), we get a palindrome (66664222246666).

The spelling of 22224220004444 in words is "twenty-two trillion, two hundred twenty-four billion, two hundred twenty million, four thousand, four hundred forty-four".