1004220306 has 24 divisors (see below), whose sum is σ = 2185404624. Its totient is φ = 333264120.

The previous prime is 1004220253. The next prime is 1004220331. The reversal of 1004220306 is 6030224001.

It is a happy number.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118800 + ... + 126971.

It is an arithmetic number, because the mean of its divisors is an integer number (91058526).

Almost surely, 2^1004220306 is an apocalyptic number.

1004220306 is an abundant number, since it is smaller than the sum of its proper divisors (1181184318).

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

1004220306 is a wasteful number, since it uses less digits than its factorization.

1004220306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246006 (or 246003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1004220306 is about 31689.4352426799. The cubic root of 1004220306 is about 1001.4047942956.

Adding to 1004220306 its reverse (6030224001), we get a palindrome (7034444307).

The spelling of 1004220306 in words is "one billion, four million, two hundred twenty thousand, three hundred six".