228470847 has 16 divisors (see below), whose sum is σ = 332577792. Its totient is φ = 138360320.

The previous prime is 228470813. The next prime is 228470849. The reversal of 228470847 is 748074822.

It is a cyclic number.

It is not a de Polignac number, because 228470847 - 2⁶ = 228470783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228470799 and 228470808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228470849) 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, 71263 + ... + 74399.

It is an arithmetic number, because the mean of its divisors is an integer number (20786112).

Almost surely, 2^228470847 is an apocalyptic number.

228470847 is a deficient number, since it is larger than the sum of its proper divisors (104106945).

228470847 is a wasteful number, since it uses less digits than its factorization.

228470847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 228470847 is about 15115.2521315392. The cubic root of 228470847 is about 611.3317201224.

The spelling of 228470847 in words is "two hundred twenty-eight million, four hundred seventy thousand, eight hundred forty-seven".