228343680 has 192 divisors, whose sum is σ = 816285600. Its totient is φ = 58748928.

The previous prime is 228343667. The next prime is 228343693. The reversal of 228343680 is 86343822.

228343680 is digitally balanced in base 2, 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 (228343667) and next prime (228343693).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 166357 + ... + 167723.

Almost surely, 2^228343680 is an apocalyptic number.

228343680 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 228343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408142800).

228343680 is an abundant number, since it is smaller than the sum of its proper divisors (587941920).

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

228343680 is a wasteful number, since it uses less digits than its factorization.

228343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 228343680 is about 15111.0449671755. The cubic root of 228343680 is about 611.2182765475.

The spelling of 228343680 in words is "two hundred twenty-eight million, three hundred forty-three thousand, six hundred eighty".