1123544222 has 16 divisors (see below), whose sum is σ = 1740649344. Its totient is φ = 543348000.

The previous prime is 1123544207. The next prime is 1123544231. The reversal of 1123544222 is 2224453211.

It is a junction number, because it is equal to n+sod(n) for n = 1123544191 and 1123544200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141272 + ... + 149012.

It is an arithmetic number, because the mean of its divisors is an integer number (108790584).

Almost surely, 2^1123544222 is an apocalyptic number.

1123544222 is a deficient number, since it is larger than the sum of its proper divisors (617105122).

1123544222 is a wasteful number, since it uses less digits than its factorization.

1123544222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115.

The product of its digits is 3840, while the sum is 26.

The square root of 1123544222 is about 33519.3111802734. The cubic root of 1123544222 is about 1039.5931045081.

Adding to 1123544222 its reverse (2224453211), we get a palindrome (3347997433).

The spelling of 1123544222 in words is "one billion, one hundred twenty-three million, five hundred forty-four thousand, two hundred twenty-two".