228540336 has 40 divisors (see below), whose sum is σ = 591819264. Its totient is φ = 75996480.

The previous prime is 228540331. The next prime is 228540349. The reversal of 228540336 is 633045822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 228540297 and 228540306.

It is not an unprimeable number, because it can be changed into a prime (228540331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15165 + ... + 26211.

Almost surely, 2^228540336 is an apocalyptic number.

It is an amenable number.

228540336 is an abundant number, since it is smaller than the sum of its proper divisors (363278928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228540336 is a wasteful number, since it uses less digits than its factorization.

228540336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489 (or 11483 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 228540336 is about 15117.5505952519. The cubic root of 228540336 is about 611.3936923234.

The spelling of 228540336 in words is "two hundred twenty-eight million, five hundred forty thousand, three hundred thirty-six".