227028361825 has 6 divisors (see below), whose sum is σ = 281515168694. Its totient is φ = 181622689440.

The previous prime is 227028361759. The next prime is 227028361849. The reversal of 227028361825 is 528163820722.

It can be written as a sum of positive squares in 3 ways, for example, as 53442805329 + 173585556496 = 231177^2 + 416636^2 .

It is not a de Polignac number, because 227028361825 - 2⁷ = 227028361697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4540567212 + ... + 4540567261.

Almost surely, 2^227028361825 is an apocalyptic number.

227028361825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227028361825 is a deficient number, since it is larger than the sum of its proper divisors (54486806869).

227028361825 is an equidigital number, since it uses as much as digits as its factorization.

227028361825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081134483 (or 9081134478 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 227028361825 in words is "two hundred twenty-seven billion, twenty-eight million, three hundred sixty-one thousand, eight hundred twenty-five".