228857003 has 4 divisors (see below), whose sum is σ = 231428520. Its totient is φ = 226285488.

The previous prime is 228856987. The next prime is 228857017. The reversal of 228857003 is 300758822.

It is a happy number.

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 228857003 - 2⁴ = 228856987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228857063) 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, 1285625 + ... + 1285802.

It is an arithmetic number, because the mean of its divisors is an integer number (57857130).

Almost surely, 2^228857003 is an apocalyptic number.

228857003 is a deficient number, since it is larger than the sum of its proper divisors (2571517).

228857003 is an equidigital number, since it uses as much as digits as its factorization.

228857003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571516.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 228857003 is about 15128.0204587381. The cubic root of 228857003 is about 611.6759457131.

The spelling of 228857003 in words is "two hundred twenty-eight million, eight hundred fifty-seven thousand, three".