1123224210 has 24 divisors (see below), whose sum is σ = 2920383180. Its totient is φ = 299526432.

The previous prime is 1123224173. The next prime is 1123224253. The reversal of 1123224210 is 124223211.

It is a happy number.

1123224210 is a `hidden beast` number, since 11 + 232 + 2 + 421 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1123121169 + 103041 = 33513^2 + 321^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6240045 + ... + 6240224.

Almost surely, 2^1123224210 is an apocalyptic number.

1123224210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123224210 is an abundant number, since it is smaller than the sum of its proper divisors (1797158970).

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

1123224210 is a wasteful number, since it uses less digits than its factorization.

1123224210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12480282 (or 12480279 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1123224210 is about 33514.5372935388. The cubic root of 1123224210 is about 1039.4943948913.

Adding to 1123224210 its reverse (124223211), we get a palindrome (1247447421).

Subtracting from 1123224210 its reverse (124223211), we obtain a palindrome (999000999).

The spelling of 1123224210 in words is "one billion, one hundred twenty-three million, two hundred twenty-four thousand, two hundred ten".