228655103825 has 24 divisors (see below), whose sum is σ = 305132222520. Its totient is φ = 169341465600.

The previous prime is 228655103813. The next prime is 228655103843. The reversal of 228655103825 is 528301556822.

It can be written as a sum of positive squares in 12 ways, for example, as 71896914496 + 156758189329 = 268136^2 + 395927^2 .

It is not a de Polignac number, because 228655103825 - 2⁸ = 228655103569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228655103825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4384010 + ... + 4435859.

It is an arithmetic number, because the mean of its divisors is an integer number (12713842605).

Almost surely, 2^228655103825 is an apocalyptic number.

228655103825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228655103825 is a deficient number, since it is larger than the sum of its proper divisors (76477118695).

228655103825 is a wasteful number, since it uses less digits than its factorization.

228655103825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819957 (or 8819952 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 228655103825 in words is "two hundred twenty-eight billion, six hundred fifty-five million, one hundred three thousand, eight hundred twenty-five".