1004220768 has 24 divisors (see below), whose sum is σ = 2636079768. Its totient is φ = 334740224.

The previous prime is 1004220757. The next prime is 1004220773. The reversal of 1004220768 is 8670224001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5230221 + ... + 5230412.

It is an arithmetic number, because the mean of its divisors is an integer number (109836657).

Almost surely, 2^1004220768 is an apocalyptic number.

It is an amenable number.

1004220768 is an abundant number, since it is smaller than the sum of its proper divisors (1631859000).

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

1004220768 is a wasteful number, since it uses less digits than its factorization.

1004220768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460646 (or 10460638 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1004220768 is about 31689.4425321747. The cubic root of 1004220768 is about 1001.4049478638.

Adding to 1004220768 its reverse (8670224001), we get a palindrome (9674444769).

The spelling of 1004220768 in words is "one billion, four million, two hundred twenty thousand, seven hundred sixty-eight".