228353408 has 32 divisors (see below), whose sum is σ = 459201960. Its totient is φ = 113102848.

The previous prime is 228353399. The next prime is 228353429. The reversal of 228353408 is 804353822.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5360 + ... + 22032.

Almost surely, 2^228353408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228353408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229600980).

228353408 is an abundant number, since it is smaller than the sum of its proper divisors (230848552).

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

228353408 is a wasteful number, since it uses less digits than its factorization.

228353408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16794 (or 16782 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 228353408 is about 15111.3668475092. The cubic root of 228353408 is about 611.2269562227.

The spelling of 228353408 in words is "two hundred twenty-eight million, three hundred fifty-three thousand, four hundred eight".