225801000216 has 128 divisors (see below), whose sum is σ = 713995430400. Its totient is φ = 65449549440.

The previous prime is 225801000199. The next prime is 225801000241. The reversal of 225801000216 is 612000108522.

It is a happy number.

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 225801000216.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2011311 + ... + 2120606.

It is an arithmetic number, because the mean of its divisors is an integer number (5578089300).

Almost surely, 2^225801000216 is an apocalyptic number.

It is an amenable number.

225801000216 is an abundant number, since it is smaller than the sum of its proper divisors (488194430184).

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

225801000216 is a wasteful number, since it uses less digits than its factorization.

225801000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131966 (or 4131956 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 225801000216 its reverse (612000108522), we get a palindrome (837801108738).

The spelling of 225801000216 in words is "two hundred twenty-five billion, eight hundred one million, two hundred sixteen", and thus it is an aban number.