1122213223443 has 16 divisors (see below), whose sum is σ = 1620385240320. Its totient is φ = 686734688544.

The previous prime is 1122213223409. The next prime is 1122213223487. The reversal of 1122213223443 is 3443223122211.

It is a happy number.

It is not a de Polignac number, because 1122213223443 - 2⁹ = 1122213222931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122213223443.

It is not an unprimeable number, because it can be changed into a prime (1122213223493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80369271 + ... + 80383232.

It is an arithmetic number, because the mean of its divisors is an integer number (101274077520).

Almost surely, 2^{1122213223443} is an apocalyptic number.

1122213223443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122213223443 is a deficient number, since it is larger than the sum of its proper divisors (498172016877).

1122213223443 is a wasteful number, since it uses less digits than its factorization.

1122213223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160752698.

The product of its digits is 13824, while the sum is 30.

Adding to 1122213223443 its reverse (3443223122211), we get a palindrome (4565436345654).

The spelling of 1122213223443 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty-three thousand, four hundred forty-three".