225484770 has 128 divisors (see below), whose sum is σ = 668736000. Its totient is φ = 48470016.

The previous prime is 225484741. The next prime is 225484811. The reversal of 225484770 is 77484522.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174286 + ... + 175574.

It is an arithmetic number, because the mean of its divisors is an integer number (5224500).

Almost surely, 2^225484770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225484770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334368000).

225484770 is an abundant number, since it is smaller than the sum of its proper divisors (443251230).

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

225484770 is a wasteful number, since it uses less digits than its factorization.

225484770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 225484770 is about 15016.1503055876. The cubic root of 225484770 is about 608.6566964562.

The spelling of 225484770 in words is "two hundred twenty-five million, four hundred eighty-four thousand, seven hundred seventy".