228730374 has 48 divisors (see below), whose sum is σ = 517692240. Its totient is φ = 72912960.

The previous prime is 228730367. The next prime is 228730391. The reversal of 228730374 is 473037822.

228730374 is a `hidden beast` number, since 2 + 287 + 3 + 0 + 374 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36384 + ... + 42204.

It is an arithmetic number, because the mean of its divisors is an integer number (10785255).

Almost surely, 2^228730374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228730374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258846120).

228730374 is an abundant number, since it is smaller than the sum of its proper divisors (288961866).

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

228730374 is a wasteful number, since it uses less digits than its factorization.

228730374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925 (or 5922 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 228730374 is about 15123.8346327907. The cubic root of 228730374 is about 611.5631093095.

The spelling of 228730374 in words is "two hundred twenty-eight million, seven hundred thirty thousand, three hundred seventy-four".