225503493300 has 108 divisors (see below), whose sum is σ = 711987890796. Its totient is φ = 59695296000.

The previous prime is 225503493263. The next prime is 225503493317. The reversal of 225503493300 is 3394305522.

225503493300 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 0 + 349 + 3 + 300 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14679260964 + 210824232336 = 121158^2 + 459156^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 791151 + ... + 1037750.

Almost surely, 2^225503493300 is an apocalyptic number.

225503493300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225503493300 is an abundant number, since it is smaller than the sum of its proper divisors (486484397496).

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

225503493300 is a wasteful number, since it uses less digits than its factorization.

225503493300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829058 (or 1829048 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 225503493300 its reverse (3394305522), we get a palindrome (228897798822).

The spelling of 225503493300 in words is "two hundred twenty-five billion, five hundred three million, four hundred ninety-three thousand, three hundred".