228280935 has 32 divisors (see below), whose sum is σ = 376396992. Its totient is φ = 118056960.

The previous prime is 228280909. The next prime is 228281041. The reversal of 228280935 is 539082822.

It is not a de Polignac number, because 228280935 - 2²³ = 219892327 is a prime.

It is a super-2 number, since 2×228280935² = 104224370568948450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228280893 and 228280902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233167 + ... + 234143.

It is an arithmetic number, because the mean of its divisors is an integer number (11762406).

Almost surely, 2^228280935 is an apocalyptic number.

228280935 is a deficient number, since it is larger than the sum of its proper divisors (148116057).

228280935 is a wasteful number, since it uses less digits than its factorization.

228280935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 228280935 is about 15108.9686941234. The cubic root of 228280935 is about 611.1622872539.

The spelling of 228280935 in words is "two hundred twenty-eight million, two hundred eighty thousand, nine hundred thirty-five".