228083547 has 4 divisors (see below), whose sum is σ = 304111400. Its totient is φ = 152055696.

The previous prime is 228083519. The next prime is 228083551. The reversal of 228083547 is 745380822.

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

It is not a de Polignac number, because 228083547 - 2⁶ = 228083483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228083047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38013922 + ... + 38013927.

It is an arithmetic number, because the mean of its divisors is an integer number (76027850).

Almost surely, 2^228083547 is an apocalyptic number.

228083547 is a deficient number, since it is larger than the sum of its proper divisors (76027853).

228083547 is an equidigital number, since it uses as much as digits as its factorization.

228083547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76027852.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 228083547 is about 15102.4351347721. The cubic root of 228083547 is about 610.9860849377.

The spelling of 228083547 in words is "two hundred twenty-eight million, eighty-three thousand, five hundred forty-seven".