1122005223 has 8 divisors (see below), whose sum is σ = 1662230000. Its totient is φ = 748003464.

The previous prime is 1122005207. The next prime is 1122005231. The reversal of 1122005223 is 3225002211.

It is not a de Polignac number, because 1122005223 - 2⁴ = 1122005207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122005196 and 1122005205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122005023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20777848 + ... + 20777901.

It is an arithmetic number, because the mean of its divisors is an integer number (207778750).

Almost surely, 2^1122005223 is an apocalyptic number.

1122005223 is a deficient number, since it is larger than the sum of its proper divisors (540224777).

1122005223 is an equidigital number, since it uses as much as digits as its factorization.

1122005223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41555758 (or 41555752 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1122005223 is about 33496.3464127060. The cubic root of 1122005223 is about 1039.1182192336.

Adding to 1122005223 its reverse (3225002211), we get a palindrome (4347007434).

The spelling of 1122005223 in words is "one billion, one hundred twenty-two million, five thousand, two hundred twenty-three".