116228305 has 4 divisors (see below), whose sum is σ = 139473972. Its totient is φ = 92982640.

The previous prime is 116228293. The next prime is 116228347. The reversal of 116228305 is 503822611.

116228305 is nontrivially palindromic in base 15.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86285521 + 29942784 = 9289^2 + 5472^2 .

It is a de Polignac number, because none of the positive numbers 2^k-116228305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 11622826 + ... + 11622835.

It is an arithmetic number, because the mean of its divisors is an integer number (34868493).

Almost surely, 2^116228305 is an apocalyptic number.

It is an amenable number.

116228305 is a deficient number, since it is larger than the sum of its proper divisors (23245667).

116228305 is an equidigital number, since it uses as much as digits as its factorization.

116228305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245666.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 116228305 is about 10780.9231979455. The cubic root of 116228305 is about 488.0196413867.

The spelling of 116228305 in words is "one hundred sixteen million, two hundred twenty-eight thousand, three hundred five".