225835806 has 96 divisors (see below), whose sum is σ = 551577600. Its totient is φ = 61387200.

The previous prime is 225835801. The next prime is 225835807. The reversal of 225835806 is 608538522.

It is a super-2 number, since 2×225835806² = 102003622543339272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225835801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 646920 + ... + 647268.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^225835806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225835806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275788800).

225835806 is an abundant number, since it is smaller than the sum of its proper divisors (325741794).

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

225835806 is a wasteful number, since it uses less digits than its factorization.

225835806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 225835806 is about 15027.8343749191. The cubic root of 225835806 is about 608.9723861175.

The spelling of 225835806 in words is "two hundred twenty-five million, eight hundred thirty-five thousand, eight hundred six".