225246366 has 16 divisors (see below), whose sum is σ = 500547600. Its totient is φ = 75082104.

The previous prime is 225246361. The next prime is 225246407. The reversal of 225246366 is 663642522.

225246366 is a `hidden beast` number, since 2 + 252 + 46 + 366 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225246366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225246361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085561 + ... + 2085668.

It is an arithmetic number, because the mean of its divisors is an integer number (31284225).

Almost surely, 2^225246366 is an apocalyptic number.

225246366 is an abundant number, since it is smaller than the sum of its proper divisors (275301234).

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

225246366 is a wasteful number, since it uses less digits than its factorization.

225246366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171240 (or 4171234 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 225246366 is about 15008.2099532223. The cubic root of 225246366 is about 608.4421108456.

Adding to 225246366 its reverse (663642522), we get a palindrome (888888888).

The spelling of 225246366 in words is "two hundred twenty-five million, two hundred forty-six thousand, three hundred sixty-six".