1228935800 has 24 divisors (see below), whose sum is σ = 2857276200. Its totient is φ = 491574240.

The previous prime is 1228935791. The next prime is 1228935811. The reversal of 1228935800 is 85398221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3072140 + ... + 3072539.

It is an arithmetic number, because the mean of its divisors is an integer number (119053175).

Almost surely, 2^1228935800 is an apocalyptic number.

1228935800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228935800 is an abundant number, since it is smaller than the sum of its proper divisors (1628340400).

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

1228935800 is a wasteful number, since it uses less digits than its factorization.

1228935800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144695 (or 6144686 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1228935800 is about 35056.1806248199. The cubic root of 1228935800 is about 1071.1321757070.

The spelling of 1228935800 in words is "one billion, two hundred twenty-eight million, nine hundred thirty-five thousand, eight hundred".