227916784825 has 6 divisors (see below), whose sum is σ = 282616813214. Its totient is φ = 182333427840.

The previous prime is 227916784789. The next prime is 227916784861. The reversal of 227916784825 is 528487619722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (227916784789) and next prime (227916784861).

It can be written as a sum of positive squares in 3 ways, for example, as 62818404496 + 165098380329 = 250636^2 + 406323^2 .

It is not a de Polignac number, because 227916784825 - 2²⁹ = 227379913913 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4558335672 + ... + 4558335721.

Almost surely, 2^227916784825 is an apocalyptic number.

227916784825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227916784825 is a deficient number, since it is larger than the sum of its proper divisors (54700028389).

227916784825 is an equidigital number, since it uses as much as digits as its factorization.

227916784825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116671403 (or 9116671398 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The spelling of 227916784825 in words is "two hundred twenty-seven billion, nine hundred sixteen million, seven hundred eighty-four thousand, eight hundred twenty-five".