228462203 has 4 divisors (see below), whose sum is σ = 236340240. Its totient is φ = 220584168.

The previous prime is 228462193. The next prime is 228462211. The reversal of 228462203 is 302264822.

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 228462203 - 2¹⁰ = 228461179 is a prime.

It is a super-2 number, since 2×228462203² = 104389956399226418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 7878007 = 228462203 / (2 + 2 + 8 + 4 + 6 + 2 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228462503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3938975 + ... + 3939032.

It is an arithmetic number, because the mean of its divisors is an integer number (59085060).

Almost surely, 2^228462203 is an apocalyptic number.

228462203 is a deficient number, since it is larger than the sum of its proper divisors (7878037).

228462203 is an equidigital number, since it uses as much as digits as its factorization.

228462203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878036.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 228462203 is about 15114.9661924862. The cubic root of 228462203 is about 611.3240102867.

The spelling of 228462203 in words is "two hundred twenty-eight million, four hundred sixty-two thousand, two hundred three".