228140803 has 4 divisors (see below), whose sum is σ = 248880888. Its totient is φ = 207400720.

The previous prime is 228140791. The next prime is 228140807. The reversal of 228140803 is 308041822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228140803 - 2⁹ = 228140291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228140807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10370026 + ... + 10370047.

It is an arithmetic number, because the mean of its divisors is an integer number (62220222).

Almost surely, 2^228140803 is an apocalyptic number.

228140803 is a deficient number, since it is larger than the sum of its proper divisors (20740085).

228140803 is a wasteful number, since it uses less digits than its factorization.

228140803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20740084.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 228140803 is about 15104.3306041678. The cubic root of 228140803 is about 611.0372061064.

The spelling of 228140803 in words is "two hundred twenty-eight million, one hundred forty thousand, eight hundred three".