225519606 has 128 divisors (see below), whose sum is σ = 572436480. Its totient is φ = 65318400.

The previous prime is 225519601. The next prime is 225519617. The reversal of 225519606 is 606915522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225519601) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 935646 + ... + 935886.

It is an arithmetic number, because the mean of its divisors is an integer number (4472160).

Almost surely, 2^225519606 is an apocalyptic number.

225519606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 225519606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286218240).

225519606 is an abundant number, since it is smaller than the sum of its proper divisors (346916874).

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

225519606 is a wasteful number, since it uses less digits than its factorization.

225519606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 225519606 is about 15017.3102118855. The cubic root of 225519606 is about 608.6880394051.

The spelling of 225519606 in words is "two hundred twenty-five million, five hundred nineteen thousand, six hundred six".