225484340 has 24 divisors (see below), whose sum is σ = 474405792. Its totient is φ = 90024480.

The previous prime is 225484339. The next prime is 225484349. The reversal of 225484340 is 43484522.

225484340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225484297 and 225484306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225484349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 21245.

It is an arithmetic number, because the mean of its divisors is an integer number (19766908).

Almost surely, 2^225484340 is an apocalyptic number.

225484340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225484340 is an abundant number, since it is smaller than the sum of its proper divisors (248921452).

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

225484340 is a wasteful number, since it uses less digits than its factorization.

225484340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21167 (or 21165 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 225484340 is about 15016.1359876634. The cubic root of 225484340 is about 608.6563095527.

The spelling of 225484340 in words is "two hundred twenty-five million, four hundred eighty-four thousand, three hundred forty".