228234835 has 4 divisors (see below), whose sum is σ = 273881808. Its totient is φ = 182587864.

The previous prime is 228234829. The next prime is 228234863. The reversal of 228234835 is 538432822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538432822 = 2 ⋅269216411.

It is a cyclic number.

It is not a de Polignac number, because 228234835 - 2²¹ = 226137683 is a prime.

It is a super-2 number, since 2×228234835² = 104182279814954450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228234794 and 228234803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22823479 + ... + 22823488.

It is an arithmetic number, because the mean of its divisors is an integer number (68470452).

Almost surely, 2^228234835 is an apocalyptic number.

228234835 is a deficient number, since it is larger than the sum of its proper divisors (45646973).

228234835 is an equidigital number, since it uses as much as digits as its factorization.

228234835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45646972.

The product of its digits is 92160, while the sum is 37.

The square root of 228234835 is about 15107.4430331542. The cubic root of 228234835 is about 611.1211442675.

The spelling of 228234835 in words is "two hundred twenty-eight million, two hundred thirty-four thousand, eight hundred thirty-five".