228505127 has 8 divisors (see below), whose sum is σ = 231132000. Its totient is φ = 225885600.

The previous prime is 228505087. The next prime is 228505187. The reversal of 228505127 is 721505822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228505127 - 2⁶ = 228505063 is a prime.

It is a super-2 number, since 2×228505127² = 104429186130572258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228505093 and 228505102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228505187) 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, 81749 + ... + 84497.

It is an arithmetic number, because the mean of its divisors is an integer number (28891500).

Almost surely, 2^228505127 is an apocalyptic number.

228505127 is a deficient number, since it is larger than the sum of its proper divisors (2626873).

228505127 is a wasteful number, since it uses less digits than its factorization.

228505127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 228505127 is about 15116.3860429668. The cubic root of 228505127 is about 611.3622935392.

The spelling of 228505127 in words is "two hundred twenty-eight million, five hundred five thousand, one hundred twenty-seven".