22422443444 has 12 divisors (see below), whose sum is σ = 39395609568. Its totient is φ = 11166555000.

The previous prime is 22422443423. The next prime is 22422443447. The reversal of 22422443444 is 44434422422.

It is a super-2 number, since 2×22422443444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422443447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11165552 + ... + 11167559.

It is an arithmetic number, because the mean of its divisors is an integer number (3282967464).

Almost surely, 2^22422443444 is an apocalyptic number.

It is an amenable number.

22422443444 is a deficient number, since it is larger than the sum of its proper divisors (16973166124).

22422443444 is a wasteful number, since it uses less digits than its factorization.

22422443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22333366 (or 22333364 counting only the distinct ones).

The product of its digits is 196608, while the sum is 35.

Adding to 22422443444 its reverse (44434422422), we get a palindrome (66856865866).

The spelling of 22422443444 in words is "twenty-two billion, four hundred twenty-two million, four hundred forty-three thousand, four hundred forty-four".