22122430444 has 24 divisors (see below), whose sum is σ = 39454663248. Its totient is φ = 10849775040.

The previous prime is 22122430439. The next prime is 22122430457. The reversal of 22122430444 is 44403422122.

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, 1019799 + ... + 1041265.

It is an arithmetic number, because the mean of its divisors is an integer number (1643944302).

Almost surely, 2^22122430444 is an apocalyptic number.

It is an amenable number.

22122430444 is a deficient number, since it is larger than the sum of its proper divisors (17332232804).

22122430444 is a wasteful number, since it uses less digits than its factorization.

22122430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26385 (or 26383 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22122430444 its reverse (44403422122), we get a palindrome (66525852566).

The spelling of 22122430444 in words is "twenty-two billion, one hundred twenty-two million, four hundred thirty thousand, four hundred forty-four".