228463403 has 4 divisors (see below), whose sum is σ = 261101040. Its totient is φ = 195825768.

The previous prime is 228463387. The next prime is 228463423. The reversal of 228463403 is 304364822.

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 228463403 - 2⁴ = 228463387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228463403.

It is not an unprimeable number, because it can be changed into a prime (228463423) 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, 16318808 + ... + 16318821.

It is an arithmetic number, because the mean of its divisors is an integer number (65275260).

Almost surely, 2^228463403 is an apocalyptic number.

228463403 is a deficient number, since it is larger than the sum of its proper divisors (32637637).

228463403 is an equidigital number, since it uses as much as digits as its factorization.

228463403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32637636.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 228463403 is about 15115.0058881894. The cubic root of 228463403 is about 611.3250806133.

The spelling of 228463403 in words is "two hundred twenty-eight million, four hundred sixty-three thousand, four hundred three".