225385340 has 12 divisors (see below), whose sum is σ = 473309256. Its totient is φ = 90154128.

The previous prime is 225385319. The next prime is 225385379. The reversal of 225385340 is 43583522.

It is a junction number, because it is equal to n+sod(n) for n = 225385297 and 225385306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5634614 + ... + 5634653.

It is an arithmetic number, because the mean of its divisors is an integer number (39442438).

Almost surely, 2^225385340 is an apocalyptic number.

225385340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225385340 is an abundant number, since it is smaller than the sum of its proper divisors (247923916).

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

225385340 is a wasteful number, since it uses less digits than its factorization.

225385340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269276 (or 11269274 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 225385340 is about 15012.8391718555. The cubic root of 225385340 is about 608.5672186717.

The spelling of 225385340 in words is "two hundred twenty-five million, three hundred eighty-five thousand, three hundred forty".