228824838 has 96 divisors (see below), whose sum is σ = 585591552. Its totient is φ = 66290400.

The previous prime is 228824753. The next prime is 228824839. The reversal of 228824838 is 838428822.

It is a happy number.

228824838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228824793 and 228824802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228824839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122028 + ... + 123888.

It is an arithmetic number, because the mean of its divisors is an integer number (6099912).

Almost surely, 2^228824838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228824838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292795776).

228824838 is an abundant number, since it is smaller than the sum of its proper divisors (356766714).

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

228824838 is a wasteful number, since it uses less digits than its factorization.

228824838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1900 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 228824838 is about 15126.9573278964. The cubic root of 228824838 is about 611.6472881113.

The spelling of 228824838 in words is "two hundred twenty-eight million, eight hundred twenty-four thousand, eight hundred thirty-eight".