1003223118 has 16 divisors (see below), whose sum is σ = 2007521280. Its totient is φ = 334228536.

The previous prime is 1003223101. The next prime is 1003223149. The reversal of 1003223118 is 8113223001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1003223094 and 1003223103.

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, 32398 + ... + 55281.

It is an arithmetic number, because the mean of its divisors is an integer number (125470080).

Almost surely, 2^1003223118 is an apocalyptic number.

1003223118 is an abundant number, since it is smaller than the sum of its proper divisors (1004298162).

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

1003223118 is a wasteful number, since it uses less digits than its factorization.

1003223118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89591.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1003223118 is about 31673.6975738546. The cubic root of 1003223118 is about 1001.0732204525.

Adding to 1003223118 its reverse (8113223001), we get a palindrome (9116446119).

The spelling of 1003223118 in words is "one billion, three million, two hundred twenty-three thousand, one hundred eighteen".