228145335 has 32 divisors (see below), whose sum is σ = 400799232. Its totient is φ = 109898880.

The previous prime is 228145327. The next prime is 228145339. The reversal of 228145335 is 533541822.

It is not a de Polignac number, because 228145335 - 2³ = 228145327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 228145296 and 228145305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228145339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21502 + ... + 30308.

It is an arithmetic number, because the mean of its divisors is an integer number (12524976).

Almost surely, 2^228145335 is an apocalyptic number.

228145335 is a deficient number, since it is larger than the sum of its proper divisors (172653897).

228145335 is a wasteful number, since it uses less digits than its factorization.

228145335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983.

The product of its digits is 28800, while the sum is 33.

The square root of 228145335 is about 15104.4806266220. The cubic root of 228145335 is about 611.0412521491.

The spelling of 228145335 in words is "two hundred twenty-eight million, one hundred forty-five thousand, three hundred thirty-five".