1004022243 has 32 divisors (see below), whose sum is σ = 1773849600. Its totient is φ = 548779968.

The previous prime is 1004022223. The next prime is 1004022259. The reversal of 1004022243 is 3422204001.

It is not a de Polignac number, because 1004022243 - 2⁸ = 1004021987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111138 + ... + 119831.

It is an arithmetic number, because the mean of its divisors is an integer number (55432800).

Almost surely, 2^1004022243 is an apocalyptic number.

1004022243 is a deficient number, since it is larger than the sum of its proper divisors (769827357).

1004022243 is a wasteful number, since it uses less digits than its factorization.

1004022243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231008 (or 231002 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1004022243 is about 31686.3100249934. The cubic root of 1004022243 is about 1001.3389540685.

Adding to 1004022243 its reverse (3422204001), we get a palindrome (4426226244).

The spelling of 1004022243 in words is "one billion, four million, twenty-two thousand, two hundred forty-three".