225352206 has 80 divisors (see below), whose sum is σ = 544186368. Its totient is φ = 69498000.

The previous prime is 225352189. The next prime is 225352213. The reversal of 225352206 is 602253522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 225352206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114531 + ... + 116481.

Almost surely, 2^225352206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225352206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272093184).

225352206 is an abundant number, since it is smaller than the sum of its proper divisors (318834162).

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

225352206 is a wasteful number, since it uses less digits than its factorization.

225352206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 225352206 is about 15011.7356091826. The cubic root of 225352206 is about 608.5373952969.

The spelling of 225352206 in words is "two hundred twenty-five million, three hundred fifty-two thousand, two hundred six".