225223300 has 18 divisors (see below), whose sum is σ = 488734778. Its totient is φ = 90089280.

The previous prime is 225223279. The next prime is 225223301. The reversal of 225223300 is 3322522.

225223300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 43264 + 225180036 = 208^2 + 15006^2 .

It is not an unprimeable number, because it can be changed into a prime (225223301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1126017 + ... + 1126216.

Almost surely, 2^225223300 is an apocalyptic number.

225223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225223300 is an abundant number, since it is smaller than the sum of its proper divisors (263511478).

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

225223300 is a wasteful number, since it uses less digits than its factorization.

225223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252247 (or 2252240 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 225223300 is about 15007.4414874755. The cubic root of 225223300 is about 608.4213412840.

Adding to 225223300 its reverse (3322522), we get a palindrome (228545822).

It can be divided in two parts, 2252 and 23300, that added together give a palindrome (25552).

The spelling of 225223300 in words is "two hundred twenty-five million, two hundred twenty-three thousand, three hundred".