228733458 has 16 divisors (see below), whose sum is σ = 463910976. Its totient is φ = 75170480.

The previous prime is 228733447. The next prime is 228733481. The reversal of 228733458 is 854337822.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 268041 + ... + 268892.

It is an arithmetic number, because the mean of its divisors is an integer number (28994436).

Almost surely, 2^228733458 is an apocalyptic number.

228733458 is an abundant number, since it is smaller than the sum of its proper divisors (235177518).

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

228733458 is a wasteful number, since it uses less digits than its factorization.

228733458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537009.

The product of its digits is 322560, while the sum is 42.

The square root of 228733458 is about 15123.9365907161. The cubic root of 228733458 is about 611.5658578909.

The spelling of 228733458 in words is "two hundred twenty-eight million, seven hundred thirty-three thousand, four hundred fifty-eight".