228570203 has 4 divisors (see below), whose sum is σ = 234145128. Its totient is φ = 222995280.

The previous prime is 228570197. The next prime is 228570263. The reversal of 228570203 is 302075822.

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 228570203 - 2¹⁰ = 228569179 is a prime.

It is a super-2 number, since 2×228570203² = 104488675398922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228570263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787401 + ... + 2787482.

It is an arithmetic number, because the mean of its divisors is an integer number (58536282).

Almost surely, 2^228570203 is an apocalyptic number.

228570203 is a deficient number, since it is larger than the sum of its proper divisors (5574925).

228570203 is an equidigital number, since it uses as much as digits as its factorization.

228570203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574924.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 228570203 is about 15118.5383883496. The cubic root of 228570203 is about 611.4203246754.

The spelling of 228570203 in words is "two hundred twenty-eight million, five hundred seventy thousand, two hundred three".