227991489000 has 128 divisors (see below), whose sum is σ = 776000234880. Its totient is φ = 55270656000.

The previous prime is 227991488987. The next prime is 227991489013. The reversal of 227991489000 is 984199722.

227991489000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227991488987) and next prime (227991489013).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3421417 + ... + 3487416.

It is an arithmetic number, because the mean of its divisors is an integer number (6062501835).

Almost surely, 2^227991489000 is an apocalyptic number.

227991489000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227991489000 is an abundant number, since it is smaller than the sum of its proper divisors (548008745880).

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

227991489000 is a wasteful number, since it uses less digits than its factorization.

227991489000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908868 (or 6908854 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 227991489000 in words is "two hundred twenty-seven billion, nine hundred ninety-one million, four hundred eighty-nine thousand".