228703473 has 16 divisors (see below), whose sum is σ = 341932800. Its totient is φ = 151068240.

The previous prime is 228703469. The next prime is 228703487. The reversal of 228703473 is 374307822.

It is not a de Polignac number, because 228703473 - 2² = 228703469 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (228703273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35913 + ... + 41798.

It is an arithmetic number, because the mean of its divisors is an integer number (21370800).

Almost surely, 2^228703473 is an apocalyptic number.

It is an amenable number.

228703473 is a deficient number, since it is larger than the sum of its proper divisors (113229327).

228703473 is a wasteful number, since it uses less digits than its factorization.

228703473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77829 (or 77823 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 228703473 is about 15122.9452488594. The cubic root of 228703473 is about 611.5391330387.

The spelling of 228703473 in words is "two hundred twenty-eight million, seven hundred three thousand, four hundred seventy-three".