225540300 has 72 divisors (see below), whose sum is σ = 680956416. Its totient is φ = 57527360.

The previous prime is 225540269. The next prime is 225540307. The reversal of 225540300 is 3045522.

It is not an unprimeable number, because it can be changed into a prime (225540307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9444 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (9457728).

Almost surely, 2^225540300 is an apocalyptic number.

225540300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225540300 is an abundant number, since it is smaller than the sum of its proper divisors (455416116).

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

225540300 is a wasteful number, since it uses less digits than its factorization.

225540300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32727 (or 32720 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225540300 is about 15017.9992009588. Note that the first 3 decimals coincide. The cubic root of 225540300 is about 608.7066568626.

Adding to 225540300 its reverse (3045522), we get a palindrome (228585822).

The spelling of 225540300 in words is "two hundred twenty-five million, five hundred forty thousand, three hundred".