228819960 has 96 divisors (see below), whose sum is σ = 753938640. Its totient is φ = 60175872.

The previous prime is 228819911. The next prime is 228819971. The reversal of 228819960 is 69918822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21927 + ... + 30633.

Almost surely, 2^228819960 is an apocalyptic number.

228819960 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 228819960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376969320).

228819960 is an abundant number, since it is smaller than the sum of its proper divisors (525118680).

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

228819960 is a wasteful number, since it uses less digits than its factorization.

228819960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797 (or 8790 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 228819960 is about 15126.7960917043. The cubic root of 228819960 is about 611.6429417931.

The spelling of 228819960 in words is "two hundred twenty-eight million, eight hundred nineteen thousand, nine hundred sixty".