225665026700 has 36 divisors (see below), whose sum is σ = 510984117840. Its totient is φ = 86341400640.

The previous prime is 225665026649. The next prime is 225665026703. The reversal of 225665026700 is 7620566522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225665026703) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 49055315 + ... + 49059914.

Almost surely, 2^225665026700 is an apocalyptic number.

225665026700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225665026700 is an abundant number, since it is smaller than the sum of its proper divisors (285319091140).

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

225665026700 is a wasteful number, since it uses less digits than its factorization.

225665026700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98115266 (or 98115259 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 225665026700 in words is "two hundred twenty-five billion, six hundred sixty-five million, twenty-six thousand, seven hundred".