1000223808 has 56 divisors (see below), whose sum is σ = 2682715488. Its totient is φ = 328836096.

The previous prime is 1000223803. The next prime is 1000223813. The reversal of 1000223808 is 8083220001.

It is an interprime number because it is at equal distance from previous prime (1000223803) and next prime (1000223813).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1000223801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21666 + ... + 49697.

Almost surely, 2^1000223808 is an apocalyptic number.

It is an amenable number.

1000223808 is an abundant number, since it is smaller than the sum of its proper divisors (1682491680).

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

1000223808 is an equidigital number, since it uses as much as digits as its factorization.

1000223808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71451 (or 71441 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1000223808 is about 31626.3151189006. The cubic root of 1000223808 is about 1000.0745971018.

Adding to 1000223808 its reverse (8083220001), we get a palindrome (9083443809).

The spelling of 1000223808 in words is "one billion, two hundred twenty-three thousand, eight hundred eight".