225820680538 has 8 divisors (see below), whose sum is σ = 338771261088. Its totient is φ = 112896926844.

The previous prime is 225820680523. The next prime is 225820680581. The reversal of 225820680538 is 835086028522.

225820680538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225820680491 and 225820680500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6685656 + ... + 6719347.

It is an arithmetic number, because the mean of its divisors is an integer number (42346407636).

Almost surely, 2^225820680538 is an apocalyptic number.

225820680538 is a deficient number, since it is larger than the sum of its proper divisors (112950580550).

225820680538 is a wasteful number, since it uses less digits than its factorization.

225820680538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13413428.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 225820680538 in words is "two hundred twenty-five billion, eight hundred twenty million, six hundred eighty thousand, five hundred thirty-eight".