228300905888525 has 12 divisors (see below), whose sum is σ = 283097239024800. Its totient is φ = 182638069405680.

The previous prime is 228300905888519. The next prime is 228300905888557. The reversal of 228300905888525 is 525888509003822.

It is not a de Polignac number, because 228300905888525 - 2⁴⁰ = 227201394260749 is a prime.

It is a super-2 number, since 2×228300905888525² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64627745 + ... + 68068694.

It is an arithmetic number, because the mean of its divisors is an integer number (23591436585400).

Almost surely, 2^{228300905888525} is an apocalyptic number.

228300905888525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228300905888525 is a deficient number, since it is larger than the sum of its proper divisors (54796333136275).

228300905888525 is a wasteful number, since it uses less digits than its factorization.

228300905888525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132765268 (or 132765263 counting only the distinct ones).

The product of its (nonzero) digits is 110592000, while the sum is 65.

The spelling of 228300905888525 in words is "two hundred twenty-eight trillion, three hundred billion, nine hundred five million, eight hundred eighty-eight thousand, five hundred twenty-five".