1004220766 has 8 divisors (see below), whose sum is σ = 1515351600. Its totient is φ = 499103568.

The previous prime is 1004220757. The next prime is 1004220773. The reversal of 1004220766 is 6670224001.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1502991 + ... + 1503658.

It is an arithmetic number, because the mean of its divisors is an integer number (189418950).

Almost surely, 2^1004220766 is an apocalyptic number.

1004220766 is a deficient number, since it is larger than the sum of its proper divisors (511130834).

1004220766 is a wasteful number, since it uses less digits than its factorization.

1004220766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006818.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1004220766 is about 31689.4425006184. The cubic root of 1004220766 is about 1001.4049471990.

Adding to 1004220766 its reverse (6670224001), we get a palindrome (7674444767).

The spelling of 1004220766 in words is "one billion, four million, two hundred twenty thousand, seven hundred sixty-six".