228782535 has 8 divisors (see below), whose sum is σ = 366052080. Its totient is φ = 122017344.

The previous prime is 228782531. The next prime is 228782557. The reversal of 228782535 is 535287822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228782535 - 2² = 228782531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228782531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7626070 + ... + 7626099.

It is an arithmetic number, because the mean of its divisors is an integer number (45756510).

Almost surely, 2^228782535 is an apocalyptic number.

228782535 is a deficient number, since it is larger than the sum of its proper divisors (137269545).

228782535 is a wasteful number, since it uses less digits than its factorization.

228782535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252177.

The product of its digits is 268800, while the sum is 42.

The square root of 228782535 is about 15125.5589979346. The cubic root of 228782535 is about 611.6095939080.

The spelling of 228782535 in words is "two hundred twenty-eight million, seven hundred eighty-two thousand, five hundred thirty-five".