22110223444 has 12 divisors (see below), whose sum is σ = 38752699104. Its totient is φ = 11038023704.

The previous prime is 22110223433. The next prime is 22110223451. The reversal of 22110223444 is 44432201122.

It is a super-2 number, since 2×22110223444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4269094 + ... + 4274269.

It is an arithmetic number, because the mean of its divisors is an integer number (3229391592).

Almost surely, 2^22110223444 is an apocalyptic number.

It is an amenable number.

22110223444 is a deficient number, since it is larger than the sum of its proper divisors (16642475660).

22110223444 is a wasteful number, since it uses less digits than its factorization.

22110223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544014 (or 8544012 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22110223444 its reverse (44432201122), we get a palindrome (66542424566).

The spelling of 22110223444 in words is "twenty-two billion, one hundred ten million, two hundred twenty-three thousand, four hundred forty-four".