225217302 has 8 divisors (see below), whose sum is σ = 450434616. Its totient is φ = 75072432.

The previous prime is 225217301. The next prime is 225217313. The reversal of 225217302 is 203712522.

It is a happy number.

225217302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

225217302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225217301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18768103 + ... + 18768114.

It is an arithmetic number, because the mean of its divisors is an integer number (56304327).

Almost surely, 2^225217302 is an apocalyptic number.

225217302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225217302 is a wasteful number, since it uses less digits than its factorization.

225217302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37536222.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 225217302 is about 15007.2416519492. The cubic root of 225217302 is about 608.4159402093.

Adding to 225217302 its reverse (203712522), we get a palindrome (428929824).

The spelling of 225217302 in words is "two hundred twenty-five million, two hundred seventeen thousand, three hundred two".