228470 has 32 divisors (see below), whose sum is σ = 470016. Its totient is φ = 79200.

The previous prime is 228469. The next prime is 228479. The reversal of 228470 is 74822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228479) 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, 3377 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (14688).

2²²⁸⁴⁷⁰ is an apocalyptic number.

228470 is an abundant number, since it is smaller than the sum of its proper divisors (241546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228470 is a wasteful number, since it uses less digits than its factorization.

228470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 228470 is about 477.9853554242. The cubic root of 228470 is about 61.1330964667.

The spelling of 228470 in words is "two hundred twenty-eight thousand, four hundred seventy".