228019896 has 96 divisors (see below), whose sum is σ = 676494000. Its totient is φ = 68954112.

The previous prime is 228019877. The next prime is 228019903. The reversal of 228019896 is 698910822.

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, 53160 + ... + 57288.

Almost surely, 2^228019896 is an apocalyptic number.

228019896 is a gapful number since it is divisible by the number (26) 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 228019896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338247000).

228019896 is an abundant number, since it is smaller than the sum of its proper divisors (448474104).

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

228019896 is a wasteful number, since it uses less digits than its factorization.

228019896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4206 counting only the distinct ones).

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

The square root of 228019896 is about 15100.3276785638. The cubic root of 228019896 is about 610.9292439336.

The spelling of 228019896 in words is "two hundred twenty-eight million, nineteen thousand, eight hundred ninety-six".