228370 has 16 divisors (see below), whose sum is σ = 421848. Its totient is φ = 88960.

The previous prime is 228359. The next prime is 228383. The reversal of 228370 is 73822.

It is a happy number.

228370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 159201 = 263^2 + 399^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 688.

2²²⁸³⁷⁰ is an apocalyptic number.

228370 is a deficient number, since it is larger than the sum of its proper divisors (193478).

228370 is a wasteful number, since it uses less digits than its factorization.

228370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 228370 is about 477.8807382601. The cubic root of 228370 is about 61.1241759640.

The spelling of 228370 in words is "two hundred twenty-eight thousand, three hundred seventy".