228234085 has 8 divisors (see below), whose sum is σ = 280561176. Its totient is φ = 178133760.

The previous prime is 228234079. The next prime is 228234091. The reversal of 228234085 is 580432822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228234079) and next prime (228234091).

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 228191236 = 207^2 + 15106^2 .

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

It is not a de Polignac number, because 228234085 - 2⁹ = 228233573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228234085.

It is a congruent 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, 556464 + ... + 556873.

It is an arithmetic number, because the mean of its divisors is an integer number (35070147).

Almost surely, 2^228234085 is an apocalyptic number.

It is an amenable number.

228234085 is a deficient number, since it is larger than the sum of its proper divisors (52327091).

228234085 is a wasteful number, since it uses less digits than its factorization.

228234085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113383.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 228234085 is about 15107.4182109320. The cubic root of 228234085 is about 611.1204748672.

The spelling of 228234085 in words is "two hundred twenty-eight million, two hundred thirty-four thousand, eighty-five".