225243889108 has 24 divisors (see below), whose sum is σ = 474197662400. Its totient is φ = 91452405888.

The previous prime is 225243889099. The next prime is 225243889139. The reversal of 225243889108 is 801988342522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211694853 + ... + 211695916.

Almost surely, 2^225243889108 is an apocalyptic number.

225243889108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225243889108 is an abundant number, since it is smaller than the sum of its proper divisors (248953773292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225243889108 is a wasteful number, since it uses less digits than its factorization.

225243889108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423390799 (or 423390797 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 225243889108 in words is "two hundred twenty-five billion, two hundred forty-three million, eight hundred eighty-nine thousand, one hundred eight".