228802135 has 4 divisors (see below), whose sum is σ = 274562568. Its totient is φ = 183041704.

The previous prime is 228802127. The next prime is 228802151. The reversal of 228802135 is 531208822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228802135 - 2³ = 228802127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228802097 and 228802106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22880209 + ... + 22880218.

It is an arithmetic number, because the mean of its divisors is an integer number (68640642).

Almost surely, 2^228802135 is an apocalyptic number.

228802135 is a deficient number, since it is larger than the sum of its proper divisors (45760433).

228802135 is an equidigital number, since it uses as much as digits as its factorization.

228802135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45760432.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 228802135 is about 15126.2068939969. The cubic root of 228802135 is about 611.6270591190.

The spelling of 228802135 in words is "two hundred twenty-eight million, eight hundred two thousand, one hundred thirty-five".