227728150025 has 6 divisors (see below), whose sum is σ = 282382906062. Its totient is φ = 182182520000.

The previous prime is 227728149889. The next prime is 227728150057. The reversal of 227728150025 is 520051827722.

It can be written as a sum of positive squares in 3 ways, for example, as 28509647104 + 199218502921 = 168848^2 + 446339^2 .

It is not a de Polignac number, because 227728150025 - 2¹⁰ = 227728149001 is a prime.

It is a super-3 number, since 3×227728150025³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 4554562976 + ... + 4554563025.

It is an arithmetic number, because the mean of its divisors is an integer number (47063817677).

Almost surely, 2^227728150025 is an apocalyptic number.

227728150025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227728150025 is a deficient number, since it is larger than the sum of its proper divisors (54654756037).

227728150025 is an equidigital number, since it uses as much as digits as its factorization.

227728150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109126011 (or 9109126006 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

Adding to 227728150025 its reverse (520051827722), we get a palindrome (747779977747).

The spelling of 227728150025 in words is "two hundred twenty-seven billion, seven hundred twenty-eight million, one hundred fifty thousand, twenty-five".