228191627 has 8 divisors (see below), whose sum is σ = 235454016. Its totient is φ = 221029632.

The previous prime is 228191603. The next prime is 228191641. The reversal of 228191627 is 726191822.

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

It is not a de Polignac number, because 228191627 - 2⁸ = 228191371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228131627) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20468 + ... + 29585.

It is an arithmetic number, because the mean of its divisors is an integer number (29431752).

Almost surely, 2^228191627 is an apocalyptic number.

228191627 is a deficient number, since it is larger than the sum of its proper divisors (7262389).

228191627 is an equidigital number, since it uses as much as digits as its factorization.

228191627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50197.

The product of its digits is 24192, while the sum is 38.

The square root of 228191627 is about 15106.0129418719. The cubic root of 228191627 is about 611.0825772817.

The spelling of 228191627 in words is "two hundred twenty-eight million, one hundred ninety-one thousand, six hundred twenty-seven".