225245300 has 36 divisors (see below), whose sum is σ = 558610080. Its totient is φ = 77226720.

The previous prime is 225245297. The next prime is 225245327. The reversal of 225245300 is 3542522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160190 + ... + 161589.

Almost surely, 2^225245300 is an apocalyptic number.

225245300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225245300 is an abundant number, since it is smaller than the sum of its proper divisors (333364780).

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

225245300 is a wasteful number, since it uses less digits than its factorization.

225245300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321800 (or 321793 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 225245300 is about 15008.1744392847. The cubic root of 225245300 is about 608.4411510072.

Adding to 225245300 its reverse (3542522), we get a palindrome (228787822).

The spelling of 225245300 in words is "two hundred twenty-five million, two hundred forty-five thousand, three hundred".