1122213223444 has 24 divisors (see below), whose sum is σ = 1968197605920. Its totient is φ = 559872003936.

The previous prime is 1122213223409. The next prime is 1122213223487. The reversal of 1122213223444 is 4443223122211.

It is a super-2 number, since 2×1122213223444² (a number of 25 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4641502 + ... + 4877290.

It is an arithmetic number, because the mean of its divisors is an integer number (82008233580).

Almost surely, 2^{1122213223444} is an apocalyptic number.

It is an amenable number.

1122213223444 is a deficient number, since it is larger than the sum of its proper divisors (845984382476).

1122213223444 is a wasteful number, since it uses less digits than its factorization.

1122213223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238407 (or 238405 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 1122213223444 its reverse (4443223122211), we get a palindrome (5565436345655).

The spelling of 1122213223444 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty-three thousand, four hundred forty-four".