228082447 has 4 divisors (see below), whose sum is σ = 228143376. Its totient is φ = 228021520.

The previous prime is 228082429. The next prime is 228082453. The reversal of 228082447 is 744280822.

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 228082447 - 2¹¹ = 228080399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228082487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24454 + ... + 32467.

It is an arithmetic number, because the mean of its divisors is an integer number (57035844).

Almost surely, 2^228082447 is an apocalyptic number.

228082447 is a deficient number, since it is larger than the sum of its proper divisors (60929).

228082447 is an equidigital number, since it uses as much as digits as its factorization.

228082447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60928.

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 228082447 is about 15102.3987167602. The cubic root of 228082447 is about 610.9851027161.

The spelling of 228082447 in words is "two hundred twenty-eight million, eighty-two thousand, four hundred forty-seven".