228176805 has 16 divisors (see below), whose sum is σ = 386558784. Its totient is φ = 114535680.

The previous prime is 228176801. The next prime is 228176863. The reversal of 228176805 is 508671822.

It is not a de Polignac number, because 228176805 - 2² = 228176801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228176801) 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, 447151 + ... + 447660.

It is an arithmetic number, because the mean of its divisors is an integer number (24159924).

Almost surely, 2^228176805 is an apocalyptic number.

It is an amenable number.

228176805 is a deficient number, since it is larger than the sum of its proper divisors (158381979).

228176805 is a wasteful number, since it uses less digits than its factorization.

228176805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894836.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 228176805 is about 15105.5223345636. The cubic root of 228176805 is about 611.0693462060.

The spelling of 228176805 in words is "two hundred twenty-eight million, one hundred seventy-six thousand, eight hundred five".