228460255 has 4 divisors (see below), whose sum is σ = 274152312. Its totient is φ = 182768200.

The previous prime is 228460249. The next prime is 228460273. The reversal of 228460255 is 552064822.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-228460255 is a prime.

It is a super-2 number, since 2×228460255² = 104388176229330050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228460255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22846021 + ... + 22846030.

It is an arithmetic number, because the mean of its divisors is an integer number (68538078).

Almost surely, 2^228460255 is an apocalyptic number.

228460255 is a deficient number, since it is larger than the sum of its proper divisors (45692057).

228460255 is an equidigital number, since it uses as much as digits as its factorization.

228460255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45692056.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 228460255 is about 15114.9017529060. The cubic root of 228460255 is about 611.3222727819.

The spelling of 228460255 in words is "two hundred twenty-eight million, four hundred sixty thousand, two hundred fifty-five".