225133500 has 48 divisors (see below), whose sum is σ = 655593120. Its totient is φ = 60035200.

The previous prime is 225133483. The next prime is 225133537. The reversal of 225133500 is 5331522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73545 + ... + 76544.

It is an arithmetic number, because the mean of its divisors is an integer number (13658190).

Almost surely, 2^225133500 is an apocalyptic number.

225133500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225133500 is an abundant number, since it is smaller than the sum of its proper divisors (430459620).

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

225133500 is a wasteful number, since it uses less digits than its factorization.

225133500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150111 (or 150099 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 225133500 is about 15004.4493401124. The cubic root of 225133500 is about 608.3404682135.

The spelling of 225133500 in words is "two hundred twenty-five million, one hundred thirty-three thousand, five hundred".