225811244678 has 8 divisors (see below), whose sum is σ = 338718907920. Its totient is φ = 112904942040.

The previous prime is 225811244651. The next prime is 225811244713. The reversal of 225811244678 is 876442118522.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378023 + ... + 771053.

It is an arithmetic number, because the mean of its divisors is an integer number (42339863490).

Almost surely, 2^225811244678 is an apocalyptic number.

225811244678 is a deficient number, since it is larger than the sum of its proper divisors (112907663242).

225811244678 is a wasteful number, since it uses less digits than its factorization.

225811244678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680302.

The product of its digits is 1720320, while the sum is 50.

The spelling of 225811244678 in words is "two hundred twenty-five billion, eight hundred eleven million, two hundred forty-four thousand, six hundred seventy-eight".