1103223144 has 64 divisors (see below), whose sum is σ = 2906956800. Its totient is φ = 347937984.

The previous prime is 1103223137. The next prime is 1103223161. The reversal of 1103223144 is 4413223011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103223144.

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 15 ways as a sum of consecutive naturals, for example, 677259 + ... + 678885.

It is an arithmetic number, because the mean of its divisors is an integer number (45421200).

Almost surely, 2^1103223144 is an apocalyptic number.

It is an amenable number.

1103223144 is an abundant number, since it is smaller than the sum of its proper divisors (1803733656).

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

1103223144 is a wasteful number, since it uses less digits than its factorization.

1103223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1103223144 is about 33214.8030853714. The cubic root of 1103223144 is about 1033.2873709236.

Adding to 1103223144 its reverse (4413223011), we get a palindrome (5516446155).

The spelling of 1103223144 in words is "one billion, one hundred three million, two hundred twenty-three thousand, one hundred forty-four".