228910463 has 4 divisors (see below), whose sum is σ = 229005720. Its totient is φ = 228815208.

The previous prime is 228910447. The next prime is 228910469. The reversal of 228910463 is 364019822.

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 228910463 - 2⁴ = 228910447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228910469) 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, 43928 + ... + 48861.

It is an arithmetic number, because the mean of its divisors is an integer number (57251430).

Almost surely, 2^228910463 is an apocalyptic number.

228910463 is a deficient number, since it is larger than the sum of its proper divisors (95257).

228910463 is an equidigital number, since it uses as much as digits as its factorization.

228910463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95256.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 228910463 is about 15129.7872754378. The cubic root of 228910463 is about 611.7235702847.

The spelling of 228910463 in words is "two hundred twenty-eight million, nine hundred ten thousand, four hundred sixty-three".