225343320 has 64 divisors (see below), whose sum is σ = 694314720. Its totient is φ = 58466304.

The previous prime is 225343291. The next prime is 225343337. The reversal of 225343320 is 23343522.

It is a super-2 number, since 2×225343320² = 101559223737244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20937 + ... + 29816.

Almost surely, 2^225343320 is an apocalyptic number.

225343320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225343320 is an abundant number, since it is smaller than the sum of its proper divisors (468971400).

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

225343320 is a wasteful number, since it uses less digits than its factorization.

225343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50804 (or 50800 counting only the distinct ones).

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

The square root of 225343320 is about 15011.4396378229. The cubic root of 225343320 is about 608.5293966556.

Adding to 225343320 its reverse (23343522), we get a palindrome (248686842).

The spelling of 225343320 in words is "two hundred twenty-five million, three hundred forty-three thousand, three hundred twenty".