1121223224 has 16 divisors (see below), whose sum is σ = 2293411320. Its totient is φ = 509646880.

The previous prime is 1121223223. The next prime is 1121223227. The reversal of 1121223224 is 4223221211.

It is a junction number, because it is equal to n+sod(n) for n = 1121223196 and 1121223205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6370499 + ... + 6370674.

Almost surely, 2^1121223224 is an apocalyptic number.

It is an amenable number.

1121223224 is an abundant number, since it is smaller than the sum of its proper divisors (1172188096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121223224 is a wasteful number, since it uses less digits than its factorization.

1121223224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741190 (or 12741186 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1121223224 is about 33484.6714781555. The cubic root of 1121223224 is about 1038.8767532561.

Adding to 1121223224 its reverse (4223221211), we get a palindrome (5344444435).

The spelling of 1121223224 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty-four".