225442300 has 36 divisors (see below), whose sum is σ = 495419680. Its totient is φ = 89032320.

The previous prime is 225442291. The next prime is 225442303. The reversal of 225442300 is 3244522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225442303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6369 + ... + 22168.

Almost surely, 2^225442300 is an apocalyptic number.

225442300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225442300 is an abundant number, since it is smaller than the sum of its proper divisors (269977380).

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

225442300 is a wasteful number, since it uses less digits than its factorization.

225442300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28630 (or 28623 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 225442300 is about 15014.7360949169. The cubic root of 225442300 is about 608.6184806113.

Adding to 225442300 its reverse (3244522), we get a palindrome (228686822).

The spelling of 225442300 in words is "two hundred twenty-five million, four hundred forty-two thousand, three hundred".