225323340 has 96 divisors (see below), whose sum is σ = 706938624. Its totient is φ = 53141760.

The previous prime is 225323339. The next prime is 225323363. The reversal of 225323340 is 43323522.

225323340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225323340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19807 + ... + 29033.

It is an arithmetic number, because the mean of its divisors is an integer number (7363944).

Almost surely, 2^225323340 is an apocalyptic number.

225323340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225323340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353469312).

225323340 is an abundant number, since it is smaller than the sum of its proper divisors (481615284).

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

225323340 is a wasteful number, since it uses less digits than its factorization.

225323340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9287 (or 9285 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 225323340 is about 15010.7741306037. The cubic root of 225323340 is about 608.5114110966.

Adding to 225323340 its reverse (43323522), we get a palindrome (268646862).

The spelling of 225323340 in words is "two hundred twenty-five million, three hundred twenty-three thousand, three hundred forty".