228048720 has 80 divisors (see below), whose sum is σ = 710287872. Its totient is φ = 60526080.

The previous prime is 228048719. The next prime is 228048731. The reversal of 228048720 is 27840822.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 51390 + ... + 55650.

Almost surely, 2^228048720 is an apocalyptic number.

228048720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228048720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355143936).

228048720 is an abundant number, since it is smaller than the sum of its proper divisors (482239152).

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

228048720 is a wasteful number, since it uses less digits than its factorization.

228048720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500 (or 4494 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 228048720 is about 15101.2820647785. The cubic root of 228048720 is about 610.9549853753.

The spelling of 228048720 in words is "two hundred twenty-eight million, forty-eight thousand, seven hundred twenty".