228140608 has 28 divisors (see below), whose sum is σ = 459101952. Its totient is φ = 112461440.

The previous prime is 228140599. The next prime is 228140623. The reversal of 228140608 is 806041822.

It is a self number, because there is not a number n which added to its sum of digits gives 228140608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20560 + ... + 29647.

Almost surely, 2^228140608 is an apocalyptic number.

It is an amenable number.

228140608 is an abundant number, since it is smaller than the sum of its proper divisors (230961344).

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

228140608 is an equidigital number, since it uses as much as digits as its factorization.

228140608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50290 (or 50280 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 228140608 is about 15104.3241490641. The cubic root of 228140608 is about 611.0370320147.

The spelling of 228140608 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred eight".