1220330008 has 16 divisors (see below), whose sum is σ = 2298114000. Its totient is φ = 607499616.

The previous prime is 1220330003. The next prime is 1220330009. The reversal of 1220330008 is 8000330221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220330003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331228 + ... + 334891.

It is an arithmetic number, because the mean of its divisors is an integer number (143632125).

Almost surely, 2^1220330008 is an apocalyptic number.

It is an amenable number.

1220330008 is a deficient number, since it is larger than the sum of its proper divisors (1077783992).

1220330008 is a wasteful number, since it uses less digits than its factorization.

1220330008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666354 (or 666350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220330008 is about 34933.2221245049. Note that the first 3 decimals coincide. The cubic root of 1220330008 is about 1068.6260666432.

Adding to 1220330008 its reverse (8000330221), we get a palindrome (9220660229).

The spelling of 1220330008 in words is "one billion, two hundred twenty million, three hundred thirty thousand, eight".