228435 has 16 divisors (see below), whose sum is σ = 371616. Its totient is φ = 119808.

The previous prime is 228427. The next prime is 228443. The reversal of 228435 is 534822.

It is an interprime number because it is at equal distance from previous prime (228427) and next prime (228443).

It is not a de Polignac number, because 228435 - 2³ = 228427 is a prime.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (23226).

2²²⁸⁴³⁵ is an apocalyptic number.

228435 is a deficient number, since it is larger than the sum of its proper divisors (143181).

228435 is a wasteful number, since it uses less digits than its factorization.

228435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its digits is 1920, while the sum is 24.

The square root of 228435 is about 477.9487420216. The cubic root of 228435 is about 61.1299745869.

The spelling of 228435 in words is "two hundred twenty-eight thousand, four hundred thirty-five".