228632893925 has 6 divisors (see below), whose sum is σ = 283504788498. Its totient is φ = 182906315120.

The previous prime is 228632893913. The next prime is 228632893967. The reversal of 228632893925 is 529398236822.

It can be written as a sum of positive squares in 3 ways, for example, as 40417483681 + 188215410244 = 201041^2 + 433838^2 .

It is not a de Polignac number, because 228632893925 - 2⁶ = 228632893861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 4572657854 + ... + 4572657903.

It is an arithmetic number, because the mean of its divisors is an integer number (47250798083).

Almost surely, 2^228632893925 is an apocalyptic number.

228632893925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228632893925 is a deficient number, since it is larger than the sum of its proper divisors (54871894573).

228632893925 is an equidigital number, since it uses as much as digits as its factorization.

228632893925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145315767 (or 9145315762 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 59.

The spelling of 228632893925 in words is "two hundred twenty-eight billion, six hundred thirty-two million, eight hundred ninety-three thousand, nine hundred twenty-five".