228317455 has 8 divisors (see below), whose sum is σ = 274541904. Its totient is φ = 182280000.

The previous prime is 228317447. The next prime is 228317459. The reversal of 228317455 is 554713822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228317455 - 2³ = 228317447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228317459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44046 + ... + 48955.

It is an arithmetic number, because the mean of its divisors is an integer number (34317738).

Almost surely, 2^228317455 is an apocalyptic number.

228317455 is a deficient number, since it is larger than the sum of its proper divisors (46224449).

228317455 is an equidigital number, since it uses as much as digits as its factorization.

228317455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93497.

The product of its digits is 67200, while the sum is 37.

The square root of 228317455 is about 15110.1771994904. The cubic root of 228317455 is about 611.1948764210.

The spelling of 228317455 in words is "two hundred twenty-eight million, three hundred seventeen thousand, four hundred fifty-five".