225060440 has 64 divisors (see below), whose sum is σ = 564226560. Its totient is φ = 80091520.

The previous prime is 225060427. The next prime is 225060461. The reversal of 225060440 is 44060522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15239 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (8816040).

Almost surely, 2^225060440 is an apocalyptic number.

225060440 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 225060440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282113280).

225060440 is an abundant number, since it is smaller than the sum of its proper divisors (339166120).

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

225060440 is a wasteful number, since it uses less digits than its factorization.

225060440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952 (or 10948 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 225060440 is about 15002.0145313888. The cubic root of 225060440 is about 608.2746551688.

The spelling of 225060440 in words is "two hundred twenty-five million, sixty thousand, four hundred forty".