1123242224 has 80 divisors (see below), whose sum is σ = 2513589120. Its totient is φ = 481628160.

The previous prime is 1123242199. The next prime is 1123242257. The reversal of 1123242224 is 4222423211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123242224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277334 + ... + 281354.

It is an arithmetic number, because the mean of its divisors is an integer number (31419864).

Almost surely, 2^1123242224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123242224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256794560).

1123242224 is an abundant number, since it is smaller than the sum of its proper divisors (1390346896).

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

1123242224 is a wasteful number, since it uses less digits than its factorization.

1123242224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4132 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1123242224 is about 33514.8060415095. The cubic root of 1123242224 is about 1039.4999519154.

Adding to 1123242224 its reverse (4222423211), we get a palindrome (5345665435).

The spelling of 1123242224 in words is "one billion, one hundred twenty-three million, two hundred forty-two thousand, two hundred twenty-four".