1122211423 has 4 divisors (see below), whose sum is σ = 1171003248. Its totient is φ = 1073419600.

The previous prime is 1122211411. The next prime is 1122211427. The reversal of 1122211423 is 3241122211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122211423 - 2⁹ = 1122210911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122211423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122211427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24395878 + ... + 24395923.

It is an arithmetic number, because the mean of its divisors is an integer number (292750812).

Almost surely, 2^1122211423 is an apocalyptic number.

1122211423 is a deficient number, since it is larger than the sum of its proper divisors (48791825).

1122211423 is an equidigital number, since it uses as much as digits as its factorization.

1122211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48791824.

The product of its digits is 192, while the sum is 19.

The square root of 1122211423 is about 33499.4242189325. The cubic root of 1122211423 is about 1039.1818710622.

Adding to 1122211423 its reverse (3241122211), we get a palindrome (4363333634).

The spelling of 1122211423 in words is "one billion, one hundred twenty-two million, two hundred eleven thousand, four hundred twenty-three".